OT-2026-000008447
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000008447) never changes.
Identity and time
| Publication number | OT-2026-000008447 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-75b4-8829-62b116c1d375 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008447 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70fa2f2da894d0bac2b4e8a968036549bc2aebab6d54ab8a121c6639cb2f89a7 |
|---|---|
| Markdown | a8dfd3d494dd85edb6815cd759faed1f19db83dcb7e9dbafae9d15678d5096cd |
| Publication page | af1071a8439fef85fd02b10af7d72009873725b7c208d43e167a70d4f9b2533a |
| Manifest | 62c421447eab4b27132ec6dd3d36762950ffadc6bacf6b4b00b0e18f4ea6e280 |
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 | E+SrHOeFogMgB6lEDsK6LD8R7wNDZTtHN18vDuHNaFIvuJkaF9DpK88OJFZOXkyIxqtSdPMrCgqBdHWaeQz8DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-19T16:41:17.462062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447observed af1071a8439fef85fd02b10af7d72009...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T16:41:17.389924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447/manifest.jsonobserved 62c421447eab4b27132ec6dd3d367629...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:17.273007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447/publication.mdobserved a8dfd3d494dd85edb6815cd759faed1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T16:41:17.126635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447/publication.txtobserved 70fa2f2da894d0bac2b4e8a968036549...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:19.815950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447observed af1071a8439fef85fd02b10af7d72009...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:19.794663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447/manifest.jsonobserved 62c421447eab4b27132ec6dd3d367629...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:19.774867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447/publication.mdobserved a8dfd3d494dd85edb6815cd759faed1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:19.755335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008447/publication.txtobserved 70fa2f2da894d0bac2b4e8a968036549...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 |
|---|