OT-2026-000000840
Publication integrity record
Propeller shaft
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-2026-000000840) never changes.
Identity and time
| Publication number | OT-2026-000000840 · never reused |
|---|---|
| Internal UUID | 01a0a673-e5bf-7731-827e-0c9c8bc1041a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:28.447633Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000840 |
| Status | PUBLIC |
Content hashes
| Canonical text | c36181f2e5c9374b247159caafec39a62689f9d24d23e31de47ae19150f43493 |
|---|---|
| Markdown | 75a51a80c148c7d970f95ef2ad96e597bdbe1d31f1b7cab075fa0e4f399856cb |
| Publication page | 2a1fa3f72d2cbeedb84ca0b0f693ece36cac108f3e04996a91f2d445a5e42ede |
| Manifest | 261636aa2ac34a12a13fae4445e6ccb063ee9513eaa76e48a32ab37a4412b54b |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | gJa6fYcQro5h5gOTQac7vNOzMoQrHpckUb/Aw4Vwwm2/m+jgX4mmXxgjSOgTPSRrTJ3MVUFvBNFzr8qs+yloCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-10-06T08:41:28.673967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840observed 2a1fa3f72d2cbeedb84ca0b0f693ece3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T08:41:28.622070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840/manifest.jsonobserved 261636aa2ac34a12a13fae4445e6ccb0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:28.572148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840/publication.mdobserved 75a51a80c148c7d970f95ef2ad96e597...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:28.463902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840/publication.txtobserved c36181f2e5c9374b247159caafec39a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:29.142116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840observed 2a1fa3f72d2cbeedb84ca0b0f693ece3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:29.109389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840/manifest.jsonobserved 261636aa2ac34a12a13fae4445e6ccb0...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:28.976297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000840/publication.txtobserved c36181f2e5c9374b247159caafec39a6...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 archive | Pending 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-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|