OT-2026-000072903
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072903) never changes.
Identity and time
| Publication number | OT-2026-000072903 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c814-7072-adcd-c1e6217bdfc1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072903 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f1a3d555adcdfcd9f9a27a5d1beda4d9e458826904193401bde5d85c55474e5 |
|---|---|
| Markdown | b47da93b01a1f8fdafb49f603e876d14f6b69cecae1cb9a96cb55f99aa2f50b8 |
| Publication page | b0baafbc574b7ad6c0dc15e3ab020c90b0ce64196a2e051fdee241c81b199c97 |
| Manifest | 78605e85fcb6f6d37331afd199e2e464e0bb1c545fab9bf867a4896f843a1b4a |
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 | 4IyTJvzB4Cg/RdJvtl64TXGVdJ3kxytaNkGmarXwR16Kyql1OOC9UrSAx9eLWBYt0EkOtnXyl+h481M7ZBcXCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-10T12:41:56.047859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903observed b0baafbc574b7ad6c0dc15e3ab020c90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T12:41:55.969333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903/manifest.jsonobserved 78605e85fcb6f6d37331afd199e2e464...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:55.821944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903/publication.mdobserved b47da93b01a1f8fdafb49f603e876d14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:55.653838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903/publication.txtobserved 6f1a3d555adcdfcd9f9a27a5d1beda4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:43.150256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903observed b0baafbc574b7ad6c0dc15e3ab020c90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:43.089746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903/manifest.jsonobserved 78605e85fcb6f6d37331afd199e2e464...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:43.039368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903/publication.mdobserved b47da93b01a1f8fdafb49f603e876d14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:42.967807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072903/publication.txtobserved 6f1a3d555adcdfcd9f9a27a5d1beda4d...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 |
|---|