OT-2026-000003446
Publication integrity record
Suction lifting device
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-2026-000003446) never changes.
Identity and time
| Publication number | OT-2026-000003446 · never reused |
|---|---|
| Internal UUID | 01a0a6c1-ced1-7f55-883e-efb59386a1de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:28:34.386126Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003446 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2ad0fc5bd12aabfce7cb42fcdb93a1152bd0934356aabc01f4778aba17e48b6 |
|---|---|
| Markdown | d5d42757b2a286b5cfe29cdee964d2265acfbc15efcb76fd973ade0063274fa4 |
| Publication page | e540e83d55cbaf40d43ee7ebc4f759ee9a1970e573b1ad8e95b46da180b45dda |
| Manifest | 25613d26d0161c12eb1065df07ed1734292eee6d38ebbcb838a63d52cac2d04a |
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 | p9qfgspkHde0k4q00cZODjcKEhzoz5JetQShkdiFlzh/GJEDw60QkVrRM+KFEG6uG+jCv29RdA76nTPh51R2Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:36:25Z batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof root 40fdb380c9f41bd58bb35c455dde2c7d... |
|---|
Independent retrieval
| 2026-10-22T16:41:34.680052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446observed e540e83d55cbaf40d43ee7ebc4f759ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:41:34.596310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446/manifest.jsonobserved 25613d26d0161c12eb1065df07ed1734...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:34.529449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446/publication.mdobserved d5d42757b2a286b5cfe29cdee964d226...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:34.341101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446/publication.txtobserved b2ad0fc5bd12aabfce7cb42fcdb93a11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:07.778546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446observed e540e83d55cbaf40d43ee7ebc4f759ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:07.765822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446/manifest.jsonobserved 25613d26d0161c12eb1065df07ed1734...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:07.750662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446/publication.mdobserved d5d42757b2a286b5cfe29cdee964d226...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:07.688373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003446/publication.txtobserved b2ad0fc5bd12aabfce7cb42fcdb93a11...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 |
|---|