OT-2026-000015295
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off before set-down
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-2026-000015295) never changes.
Identity and time
| Publication number | OT-2026-000015295 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7741-b983-316e78de1539 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015295 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49839af4f93953580b58698f36fcdbe3ce87460e8132adebf0eae4e870e759a2 |
|---|---|
| Markdown | 8b644490489658ab30633afb9665da2f542d09e9f6a60df9326f4ebdf2b1bc1a |
| Publication page | 12ac04c4697d9dbce42ccd1cfaf2b2e06f16568c6e439c8b7c19eac9d36d3020 |
| Manifest | 9c0c768c1767e2acccde8a121ffea670cd2df555fb888e5b4521e92da3b56736 |
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 | FmIgzFA21mqvSTfSsvDYZQ9W04RtqJznxrt8M/dZbqF6G+YcPp4fnHxmfwxHk2D9o6OxIIn41bwWJbbtGLREBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-31T00:41:04.260300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295observed 12ac04c4697d9dbce42ccd1cfaf2b2e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T00:41:04.194365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295/manifest.jsonobserved 9c0c768c1767e2acccde8a121ffea670...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:04.119904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295/publication.mdobserved 8b644490489658ab30633afb9665da2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:04.031750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295/publication.txtobserved 49839af4f93953580b58698f36fcdbe3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:20.583325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295observed 12ac04c4697d9dbce42ccd1cfaf2b2e0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:20.532651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295/manifest.jsonobserved 9c0c768c1767e2acccde8a121ffea670...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:20.480890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295/publication.mdobserved 8b644490489658ab30633afb9665da2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:20.100989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015295/publication.txtobserved 49839af4f93953580b58698f36fcdbe3...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 |
|---|