OT-2026-000017881
Publication integrity record
Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000017881) never changes.
Identity and time
| Publication number | OT-2026-000017881 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96fb-755a-82d4-5c1d24f1b9d6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16ef30c19e5f681f26a8a9d86a4a78f65abe397840b37142c6dca9a5a093102c |
|---|---|
| Markdown | 51017593d648b4f3e03700a4f7df31113cd386b14747205487dca03945c04b57 |
| Publication page | 3e8efb520f8b4218c0d1ebb0ea0b30f6d4ec41d0c209194fd9120540c7063041 |
| Manifest | 9f6af1dbdafeca997b2dd7f3a37cdbb9e6efd25666b4a6e45263092454021a92 |
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 | ubkyjJNS8ugrKxm8/86XIMPFGeahxziTXMyGKtuVwRDkRA1q7Y6bGaRCHrYAAcPQqd6u0EnhaBA97g0OaFpqCw== |
| 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
| 2026-10-01T16:41:58.699800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881observed 3e8efb520f8b4218c0d1ebb0ea0b30f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T16:41:58.638139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881/manifest.jsonobserved 9f6af1dbdafeca997b2dd7f3a37cdbb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:58.572275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881/publication.mdobserved 51017593d648b4f3e03700a4f7df3111...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:58.479875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881/publication.txtobserved 16ef30c19e5f681f26a8a9d86a4a78f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:44.478076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881observed 3e8efb520f8b4218c0d1ebb0ea0b30f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:44.402261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881/manifest.jsonobserved 9f6af1dbdafeca997b2dd7f3a37cdbb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:44.276528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881/publication.mdobserved 51017593d648b4f3e03700a4f7df3111...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:44.206953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017881/publication.txtobserved 16ef30c19e5f681f26a8a9d86a4a78f6...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 |
|---|