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https://jetfyul.com/v/JFD-20260928-CERT-00012

Certificate for JFD-20260928-FP-00002

FP-006-v2-CERT-v2 · rail DCN JFD-20260928-CERT-00012 · status SEALED · seal v2, exact-bytes lane (GH-PIPELINE-001)

The artifact

SHA-256 (the file's raw bytes, verbatim): 58009b9a60c034319d1ff90369abcf82b86e1bc7dbf3708b8bb79f49c9e47e15
SHA-256 over the file RAW BYTES AS STORED, verbatim. The certificate is one PDF: the certified document's pages, the transition page, the seal page and the certificate, with the sealed document and its evidence attached. It is sealed after the certified document's Bitcoin anchor confirmed, and states that block.
File: JFD-20260928-CERT-00012.pdf · 5961820 bytes.

Artifact class: resolved (READER/SUBJECT ruling v2, ledger kind-3 3094252; the class is fixed at birth and immutable after seal).

Block 1 — Author

K. L. Phillips, a man.

Block 2 — Issuer

ISSUER	Jet Fyul Dynamics LLC · Wyoming
RAIL	Matchstick Tribunal
CUSTODY	both witness keys held by the issuer, in silicon, on separate hosts; never exported

Block 3 — Rail seal

Sealed by ledger event 3218960 (kind-15), event hash a630a02004013e0c39d9249cba92ae5d244fb24a867db5aad3eeae103bf57f28, sealed 2026-09-28T20:27:17Z. Seal request canonical bytes: SHA-256 629b5dfe303e884ca05e69460b8ca44d1892bfd8db63c12f57e8a85cb0f88d25. Notary authorization: kind-3 event 3218958. One sealing pass, one sealing event.

Block 3a — Correction events

None recorded.

Block 4 — Witnesses

	identity	public key (P-256)	signature over the seal request · signed UTC
witness 1	`a9-atecc608b-slot0` serial `0123ADA0711D8597EE` A9 · Jet Fyul Dynamics LLC	`d62d03f8dc3813fb5b74f2b64339d185742aabcae1bdcfd2f7a7ad59f1dd3c5d50e57effa4a3c888f58c3eca9d274bd7f0b8d263fa38bbf0bc6fbff6035c2411`	`7944222e30f0049cc708aed3363a6e87d67b088a54c08d55006468a892557d1a19e0d729f0a3b5ce39e08dc185b1259e28687d07e869cb4d355de39d11830a92` 2026-09-28T20:27:29.624508+00:00 verified offline: True peer a10-atecc608b-slot0
witness 2	`a10-atecc608b-slot0` serial `0123DC797ACC1195EE` A10 · Jet Fyul Dynamics LLC	`853e69fc700990303abfe61358bfa456160eaae1529dbc74805d1639cfc88e78497bbe060e7ae5d54466b2ce0a2753e14204a21eed4a132a61ace3294f9beba1`	`c7364c6f0cda5c0e64993d61c7f875bc1ca3ca956f85344e2ef1d552e3ec788ed11fc40705dfdd5401a8d1ad9884dbb7a2d543e38cbb27fda1c664e1eed1da37` 2026-09-28T20:27:32.093422+00:00 verified offline: True peer a9-atecc608b-slot0

Block 6 — Bitcoin anchor — ATTESTED

ATTESTED in Bitcoin block 969050 (2026-09-28T20:54:54+00:00).
Confirmation event not yet banked.

Verify it yourself

SHA-256 the file's bytes exactly as stored; it must equal the digest above.
Read ledger event 3218960 by id; its payload's doc_sha256 must be the same digest and its hardware_signatures the two entries above.
Verify each witness signature offline: ECDSA P-256 over the seal-request bytes, against the public key above.
Verify the OpenTimestamps proof; when ATTESTED, the Bitcoin block is the timestamp.

This is a certificate

Authenticity certificate (no Rule 902 declaration, no buyer) — certifies DCN JFD-20260928-FP-00002, sealing event 3205882, digest a58603fe7366c4025f8b6cd58f1aa922375b04dc532c3b1b46c59d4817e60495. Its verify page.

The certified document is ATTESTED in Bitcoin block 968952 (block hash 00000000000000000000d994a468367aa49a494af15e29737ac5c1b788f02a8f, block time 2026-09-28T05:46:19Z). This certificate was sealed after that anchor confirmed and states it.

Supersession

This version supersedes JFD-20260928-CERT-00003, digest 92951d88434e1606bff5fd4f3346e71c28d99056b5a492acde5249a4aff72792 (ledger event 3206933).
Reason: JFD-20260928-CERT-00003 was issued before the certificate design of record was applied; nothing about the certified document changed. This certificate is the same certification on the design of record (Turing), anchored in Bitcoin block 968952. The certified document, its fingerprint, its sealing event and its witness signatures are unchanged.

Attachments

#	item	file · sha256
1	the sealed Artifact (final bytes, verbatim)	JFD-20260928-CERT-00012.pdf `58009b9a60c034319d1ff90369abcf82b86e1bc7dbf3708b8bb79f49c9e47e15` (5961820 bytes)
2	the ledger event payload(s): pass-1 and final kind-15, Notary kind-3	NOT PUBLISHED — event export not present for this DCN
3	seal-request canonical bytes + sha256 (the material both witnesses signed)	seal-request-p1.json `629b5dfe303e884ca05e69460b8ca44d1892bfd8db63c12f57e8a85cb0f88d25` (585 bytes) seal-request-p1.sha256 `3bf95ce156ab29a3b028b325382ae7df4716422d4cce74489e6ae87b3f8bc61b` (87 bytes)
4	both witness public keys and signatures (P-256, over the seal-request bytes)	witnesses.json `8d13aaa0da720baa5d9f440fdebba6926e0f6615c4064a8dc53e50beacd53123` (1915 bytes)
5	the Rail's Ed25519 public key (a1-ledger-ed25519)	rail-ed25519-pubkey.txt `3f5755662bb8bde9150376972d0e9e9a708122991c548546ad600e1161a93419` (592 bytes)
6	the OpenTimestamps proof (.ots)	JFD-20260928-CERT-00012.pdf.ots `23d85a242d9653717a47e1f7e3801b2da971528c2e08231dad015331ace2ef6c` (1717 bytes)
7	MT-CC-SEALDOC-002 (the directive this seal was made under)	MT-CC-SEALDOC-002.md `daa1e984fbc945ecf3459d2149c8940cc77e24f0f3d12d396d00c61fa7452c14` (8908 bytes)

History

2026-09-28T20:27:17Z — SEALED kind-15 3218960 (GH-PIPELINE-001 run FP-006-v2-FREE-PROD-CERTV3-JFD-20260928-CERT-00012-0e964814)
2026-09-28T20:27:42Z — SEALED CERT v2: supersedes JFD-20260928-CERT-00003 (CERT-V3-DESIGN-20260928)
2026-09-28T22:28:03Z — SEALED Block 6: OTS proof attested in Bitcoin block 969050 (2026-09-28T20:54:54+00:00), merkle root confirmed against the chain; rail page re-rendered

Rail page generated by the Matchstick rail on A3 under GH-PIPELINE-001 (Stage 6 REGISTER).