OT-2026-000029400
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000029400) never changes.
Identity and time
| Publication number | OT-2026-000029400 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e20-7e60-9637-3ea4fb9e9076 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029400 |
| Status | PUBLIC |
Content hashes
| Canonical text | db9fc9ce731b0d1906da4fe90b50d9f6426cb9ad88066d38ca19fb29bc5b51f1 |
|---|---|
| Markdown | e04672289ecad99407f25db85e9ad457048e8171fd2638cfc06537b0d079ed4b |
| Publication page | 1b228ad742aa0c59f9a8d8777903856e5f37f85eced1c5006f5a274a44bb8a89 |
| Manifest | 4d2aa5808f9b8ee204149f1c2c992bce454845b15015bccc26d8fd64198dca71 |
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 | lFu1EnzpIw3pIpA1QyATHKrxcTZT7agdaToJtnJweYEA5QJGd/4RB+7j2yMkekAaghS0LjixtCm9KbsucDELBw== |
| 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
| 2026-10-30T12:42:01.344028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400observed 1b228ad742aa0c59f9a8d8777903856e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T12:42:01.251857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400/manifest.jsonobserved 4d2aa5808f9b8ee204149f1c2c992bce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:42:01.182296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400/publication.mdobserved e04672289ecad99407f25db85e9ad457...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T12:42:01.043251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400/publication.txtobserved db9fc9ce731b0d1906da4fe90b50d9f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:21.213554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400observed 1b228ad742aa0c59f9a8d8777903856e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:21.181233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400/manifest.jsonobserved 4d2aa5808f9b8ee204149f1c2c992bce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:21.164276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400/publication.mdobserved e04672289ecad99407f25db85e9ad457...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:21.010592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029400/publication.txtobserved db9fc9ce731b0d1906da4fe90b50d9f6...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 |
|---|