OT-2026-000030303
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030303) never changes.
Identity and time
| Publication number | OT-2026-000030303 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e501-7939-a037-d6238c1031f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030303 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d8ed8cb6396f7fb970d81a1f94b1c4846ba5e771a2debf89a1d8c13c84495d4 |
|---|---|
| Markdown | b634444038c97d80103fc4ab1e9aa30b3f055d01487ad61ddd768c2698c83e87 |
| Publication page | a103c86aceb82f0d8bd59ae9086ac139aa22e34de7f7d03d5478abdd8e7e3b39 |
| Manifest | 07cc6120325cc580db2f14191e90faa60c275874e6b915c1a31bd88cc2b7395a |
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 | xeNfl5IJMZvoaB1JTiLJRLymi7IxHFWqV3Z/845XnrkoSxaHmhu64eMYGTzKOcF2GMIZTSN34S+wzf4j7NkzAQ== |
| 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
| 2026-10-30T20:41:18.256802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303observed a103c86aceb82f0d8bd59ae9086ac139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T20:41:18.175731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303/manifest.jsonobserved 07cc6120325cc580db2f14191e90faa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:18.066373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303/publication.mdobserved b634444038c97d80103fc4ab1e9aa30b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:17.903871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303/publication.txtobserved 2d8ed8cb6396f7fb970d81a1f94b1c48...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:58.494356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303observed a103c86aceb82f0d8bd59ae9086ac139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:58.417337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303/manifest.jsonobserved 07cc6120325cc580db2f14191e90faa6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:58.322648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303/publication.mdobserved b634444038c97d80103fc4ab1e9aa30b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T20:41:58.219977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030303/publication.txtobserved 2d8ed8cb6396f7fb970d81a1f94b1c48...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 |
|---|