OT-2026-000081024
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after set-down, on a tool changer
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-2026-000081024) never changes.
Identity and time
| Publication number | OT-2026-000081024 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b976-78ce-bbd2-5899619d4da6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081024 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33933ad26bba2230141bb0d063d2f60cdbfe543a753b0f7ea869db8b51b36013 |
|---|---|
| Markdown | 13f8dee7eb907deaca90a0e54ebb081e1f9e31cc837b0a564959231cab7c63b7 |
| Publication page | 499613dc18a4afc0b93a481a7d3c415ea1f33b1e9ca46670af515cbd6e1a582c |
| Manifest | b1ada11e521c5bbd16067a1b10c02b2d6f8808dd05bff3ba9c7f091ff2e08d18 |
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 | INEKueMfi93iJ77F/5ZWkLeZ5f9cPFzqKuPmNeV9Toavk0JGuLZ+6nFubcGvBTQvPK9in+wBgCkStDlv/EhPAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-28T04:41:58.482152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024observed 499613dc18a4afc0b93a481a7d3c415e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T04:41:58.392758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024/manifest.jsonobserved b1ada11e521c5bbd16067a1b10c02b2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:58.316210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024/publication.mdobserved 13f8dee7eb907deaca90a0e54ebb081e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:58.237293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024/publication.txtobserved 33933ad26bba2230141bb0d063d2f60c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:47.206436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024observed 499613dc18a4afc0b93a481a7d3c415e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:47.156720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024/manifest.jsonobserved b1ada11e521c5bbd16067a1b10c02b2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:47.099083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024/publication.mdobserved 13f8dee7eb907deaca90a0e54ebb081e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T12:41:47.029084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081024/publication.txtobserved 33933ad26bba2230141bb0d063d2f60c...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 |
|---|