OT-2026-000031283
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000031283) never changes.
Identity and time
| Publication number | OT-2026-000031283 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ac-7ea4-9aa7-fdc8b5d5d3b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031283 |
| Status | PUBLIC |
Content hashes
| Canonical text | b20a6a2b900f643141b3575f873031c665ccf5b3fb32ebe91cde9129c53bf6cb |
|---|---|
| Markdown | a9dbdf34e8ca8cbee2687b4b399f46c9bb1d2306b4c5dc91179bf4e0ec222a63 |
| Publication page | 20a9c59e09b35c6de226da80bdc1e5071ee2f279931c3ad38dd9615196802f88 |
| Manifest | 4f889154a1bd0432fa1efd5bbff1ae891e06e5cb17cc289787a0e7621fcf5e83 |
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 | 5Ehc/T38tzG4tA4B8dZn304lRdQC2Aj1cqApqUL+S3iOa+PvxWSnw4NnhhPQT6vaWMsOkkkETcBPZepJbvSKBQ== |
| 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
| 2026-11-01T04:23:35.039272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283observed 20a9c59e09b35c6de226da80bdc1e507...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:23:35.025661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283/manifest.jsonobserved 4f889154a1bd0432fa1efd5bbff1ae89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:35.010748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283/publication.mdobserved a9dbdf34e8ca8cbee2687b4b399f46c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:34.945733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283/publication.txtobserved b20a6a2b900f643141b3575f873031c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:18.888149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283observed 20a9c59e09b35c6de226da80bdc1e507...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:18.749833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283/manifest.jsonobserved 4f889154a1bd0432fa1efd5bbff1ae89...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:18.669165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283/publication.mdobserved a9dbdf34e8ca8cbee2687b4b399f46c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:18.570957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031283/publication.txtobserved b20a6a2b900f643141b3575f873031c6...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 |
|---|