OT-2026-000023889
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump 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-2026-000023889) never changes.
Identity and time
| Publication number | OT-2026-000023889 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed6-7aa6-b1b7-517bc9a28934 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2312299028f5c5123745ae3ff1a46604012341653333bb04767d69d31a4dcc4f |
|---|---|
| Markdown | f6eb1dc38d05e51634c4045e3c11ece04411281bcf855cbe076bd18ad0da4953 |
| Publication page | 9c44e46162688aba055c1e372ccf10024f8332bee3b62d2c5c50102c1a044bd8 |
| Manifest | 46925adf0c61cd4583eb2951f992c6f39ab21b83bc46efa9394c807afdd1c9fc |
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 | 4DhkbNP2aqSOqUGB/fV1XXTnXbN2mM1+9dbQEupuazaYctnBrpLqNXIg2MtrBqDdyIj4TMhHPRhimBn1yoTZDQ== |
| 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
| 2026-09-17T11:50:30.078924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023889observed 9c44e46162688aba055c1e372ccf1002...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:30.060189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023889/manifest.jsonobserved 46925adf0c61cd4583eb2951f992c6f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:30.034598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023889/publication.mdobserved f6eb1dc38d05e51634c4045e3c11ece0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:30.016195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023889/publication.txtobserved 2312299028f5c5123745ae3ff1a46604...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
| Custody package | Pending Custody packages are produced weekly. |
|---|