OpenTechnical

OT-2026-000000570

Publication integrity record

Repairing seal land(s) for turbine engine component

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000000570) never changes.

Identity and time

Publication numberOT-2026-000000570 · never reused
Internal UUID01a0a673-8d7c-76b3-b93f-5a8b5e05a36f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:05.852768Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000570
StatusPUBLIC

Content hashes

Canonical text858b2d8852addbb070572785b307b5c91bf20fc21b251a8a11cf1166ada8fdb4
Markdownc6f03b8147f4595c6b2f5e6d6b95d02e5dddda1f31d664ddd247205a5d8207aa
PDF
Publication page02307f4d2b5f3b8e6d2941f991c00f31dc444219bac1bb73b2afcc270c373a6f
Manifest06bd80564bcb9b9e07ba67fc41e2c5045429cc04c94881d266f868aada437ea8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureK/t2lg9BgMI3gmptscEOIhdIRwhkD2tVr7OsEdln/UcarPL+RXqAFv7yYg1mgIal5g6ec+KKjcAHttby+ISTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:40:28.771504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000570
observed 02307f4d2b5f3b8e6d2941f991c00f31...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:28.741480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000570/manifest.json
observed 06bd80564bcb9b9e07ba67fc41e2c504...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:28.728653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000570/publication.txt
observed 858b2d8852addbb070572785b307b5c9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent