OT-2026-000031805
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000031805) never changes.
Identity and time
| Publication number | OT-2026-000031805 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7744-af0a-bab117d38f6b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031805 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5f218c5abb41ced982f81ee9dbeba3c5a4fe8c25f41622c295f9fc520dad47d |
|---|---|
| Markdown | e50581e30f7d25a14e2e4b3cb464120a092d5f40b1ddba724efe02d3b1372cdd |
| Publication page | 21bfd9bfb8d9858f7aee5dcb98c8b5b228a63c4a8e87c5789ef90edc4113afdc |
| Manifest | 32b1932d3afda9f02b31dfdcff3ce6b9e6cf47950aef8d6a3fd785cbe08a31bd |
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 | qHS+Ix7dE47WGuODfD8K9H7p7QPPR0TIromayT8GOo6NRkxXMSF0GXOHL5B6tMqcNnAkUu4OgHa0E6uJUujsDQ== |
| 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
| 2026-10-11T08:41:44.861907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805observed 21bfd9bfb8d9858f7aee5dcb98c8b5b2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T08:41:44.753676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805/manifest.jsonobserved 32b1932d3afda9f02b31dfdcff3ce6b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:44.679022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805/publication.mdobserved e50581e30f7d25a14e2e4b3cb464120a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:44.578054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805/publication.txtobserved f5f218c5abb41ced982f81ee9dbeba3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:15.060988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805observed 21bfd9bfb8d9858f7aee5dcb98c8b5b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:15.043168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805/manifest.jsonobserved 32b1932d3afda9f02b31dfdcff3ce6b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:15.024218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805/publication.mdobserved e50581e30f7d25a14e2e4b3cb464120a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:23:14.977809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031805/publication.txtobserved f5f218c5abb41ced982f81ee9dbeba3c...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 |
|---|