OT-2026-000030953
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000030953) never changes.
Identity and time
| Publication number | OT-2026-000030953 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-77af-ae02-c0892620d9eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030953 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8704a6b2f6f005cf66d486dde5553d7d3a4180cce3e0dad9792ac972f49066da |
|---|---|
| Markdown | 2dad24af105dd93da0f7296ed19136e99253b8a9bcd81a3937f58e61bb491ca0 |
| Publication page | 472f278b50eb934aaa37bf4490135d25c40aa2c915354b5136d915229cdad849 |
| Manifest | be743055062220ef1ff6c367874e1e6aea1aaafa7eee17f980a7aedde2662b0b |
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 | UGJzCfuiFPkaRcrBRNexN7//MndtPMpqUgrGKq6bt68lQ2kUHF/Xz8XCciF0dWZqdD63TEdolegK3UZ5TgiGBA== |
| 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
| 2026-11-04T16:41:23.189882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953observed 472f278b50eb934aaa37bf4490135d25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T16:41:23.137898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953/manifest.jsonobserved be743055062220ef1ff6c367874e1e6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T16:41:23.057416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953/publication.mdobserved 2dad24af105dd93da0f7296ed19136e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T16:41:22.971113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953/publication.txtobserved 8704a6b2f6f005cf66d486dde5553d7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:06.382026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953observed 472f278b50eb934aaa37bf4490135d25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:06.367467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953/manifest.jsonobserved be743055062220ef1ff6c367874e1e6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:06.343698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953/publication.mdobserved 2dad24af105dd93da0f7296ed19136e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:06.227556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030953/publication.txtobserved 8704a6b2f6f005cf66d486dde5553d7d...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 |
|---|