OT-2026-000021914
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000021914) never changes.
Identity and time
| Publication number | OT-2026-000021914 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-77b9-8514-799c0dd29846 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021914 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9611061f535a724aa0e6c80c895c5741c40316ea66b7ec46d93174d8f6b5297 |
|---|---|
| Markdown | 57e52ef9ebb6ad99cbbb6e3b93bb862feef99619f6d29fcef5eb7b7b3def9d38 |
| Publication page | 87413beea26901cfb301b7e215040d0b2d228a6a98baddcd763de4934f2a9310 |
| Manifest | 94c06612ed29c9cd8a54b1eab0d26f6e3b4f456a27bca01b9398ee427400510d |
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 | KgwXcAHCwPRUc9yGdIamkLUQ16Ze7ErceZMUVnHJCEYK6/a7AFnIQINsHU7rChPCP+DacURovTHS6j1bYlBRBw== |
| 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
| 2026-10-17T04:23:05.628085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914observed 87413beea26901cfb301b7e215040d0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:23:05.613728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914/manifest.jsonobserved 94c06612ed29c9cd8a54b1eab0d26f6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:05.584226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914/publication.mdobserved 57e52ef9ebb6ad99cbbb6e3b93bb862f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:05.478933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914/publication.txtobserved d9611061f535a724aa0e6c80c895c574...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:03.981022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914observed 87413beea26901cfb301b7e215040d0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:03.916979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914/manifest.jsonobserved 94c06612ed29c9cd8a54b1eab0d26f6e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:03.845618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914/publication.mdobserved 57e52ef9ebb6ad99cbbb6e3b93bb862f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:03.707117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021914/publication.txtobserved d9611061f535a724aa0e6c80c895c574...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 |
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