OT-2026-000000253
Publication integrity record
Sheet postprocessing apparatus to which optional unit can be removably attached
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-2026-000000253) never changes.
Identity and time
| Publication number | OT-2026-000000253 · never reused |
|---|---|
| Internal UUID | 01a0a673-27f8-7fbd-8bba-698dd8fa2177 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:39.864475Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000253 |
| Status | PUBLIC |
Content hashes
| Canonical text | b40be5ad8585bf44b987089edf68f0ab60de6ba01a58532cdfba49c0b45e2b1c |
|---|---|
| Markdown | b52a05b8e72d64470550efa809c202121bbd3cb32c79d93896202b2ed362fe7b |
| Publication page | 4b16523efbe00f21f19f4ca59db813bf05b8c94a9343029755309438f298792a |
| Manifest | d87019bf615fc3f15836eab6a8563415ee1e37a9a162844781a6fc37ef00ec5f |
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 | Ea6Fj2kcjh+sw/Nw6reFbnqc8zcIXXgPmDdklclgAWY6kg21n2EliQKkTlhZNM+ns/erdpe6C2h3spcTzn34BQ== |
| 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
| 2026-10-18T04:23:37.295299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253observed 4b16523efbe00f21f19f4ca59db813bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:23:37.284028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253/manifest.jsonobserved d87019bf615fc3f15836eab6a8563415...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:37.271794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253/publication.mdobserved b52a05b8e72d64470550efa809c20212...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:37.177253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253/publication.txtobserved b40be5ad8585bf44b987089edf68f0ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:15.621861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253observed 4b16523efbe00f21f19f4ca59db813bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:15.610222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253/manifest.jsonobserved d87019bf615fc3f15836eab6a8563415...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:15.597656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253/publication.mdobserved b52a05b8e72d64470550efa809c20212...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:15.504342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000253/publication.txtobserved b40be5ad8585bf44b987089edf68f0ab...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|