OT-2026-000000311
Publication integrity record
Security system for a converting machine
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-2026-000000311) never changes.
Identity and time
| Publication number | OT-2026-000000311 · never reused |
|---|---|
| Internal UUID | 01a0a673-37e6-7c21-930f-265d214c5ac0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:43.943311Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000311 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25649f887050bef38340f99252cdfa8d21ca941c28338ee30f9358fef284d78c |
|---|---|
| Markdown | df09a3b8d12f9b8a9616d9d9cb1c1428e9d381fbcb577c8b71cce8ebc21ad847 |
| Publication page | 97a32f8bafb4928fdf5fb4762c6fc04aaa4c3eddd3c05e887d7a264a13aaad53 |
| Manifest | 7815b64f64f9f24975a652eb61ca6c268a04ddde77bc53867dd1c462ec48dc00 |
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 | GDGZzsrXk3Pb80ipsGDc3zW9UgLzKxiLDy4SpU2lnK1ZW1ncsgLhrEjHVfMfmYVDYjBO7+p3sqhTbkT7qGxQAw== |
| 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
| 2026-10-15T20:42:00.090116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311observed 97a32f8bafb4928fdf5fb4762c6fc04a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T20:41:59.999162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311/manifest.jsonobserved 7815b64f64f9f24975a652eb61ca6c26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:59.896476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311/publication.mdobserved df09a3b8d12f9b8a9616d9d9cb1c1428...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:41:59.702284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311/publication.txtobserved 25649f887050bef38340f99252cdfa8d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:07.005873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311observed 97a32f8bafb4928fdf5fb4762c6fc04a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:06.929206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311/manifest.jsonobserved 7815b64f64f9f24975a652eb61ca6c26...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:06.825958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311/publication.mdobserved df09a3b8d12f9b8a9616d9d9cb1c1428...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:06.619362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000311/publication.txtobserved 25649f887050bef38340f99252cdfa8d...fetched by grabo-systems from 34.44.131.203, 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 |
|---|