OT-2026-000089919
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089919) never changes.
Identity and time
| Publication number | OT-2026-000089919 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-74d9-a837-8e15e7159cbb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089919 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e3532f5c2cada20b9da50134302e7fc4f6e456c10faf279a3b6d6ee5b00a014 |
|---|---|
| Markdown | d4ac0442fbfe33f4a8afc6f9f91a51ea5f6655a85b21ee2bff2851fb4d7359c4 |
| Publication page | 47e69b3effb7f5b09279220d0df6c9aed9a13f5681a58df520a27e5e7eb00dd8 |
| Manifest | 893f315401924cfccbb311b5baf4e5dd1f670e989a4d741a619f4679e8e71d59 |
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 | vIY7lqNj2soiY7UjsPXbosJ/i9E3PO4XO1F9x27XIgD5ByKGJa2KovoyAy0wVkSIcevONBSgpIkQ+8AI2/wODw== |
| 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
| 2026-09-29T08:41:23.648327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919observed 47e69b3effb7f5b09279220d0df6c9ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T08:41:23.554514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919/manifest.jsonobserved 893f315401924cfccbb311b5baf4e5dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:23.482783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919/publication.mdobserved d4ac0442fbfe33f4a8afc6f9f91a51ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:23.380018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919/publication.txtobserved 5e3532f5c2cada20b9da50134302e7fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:27.855458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919observed 47e69b3effb7f5b09279220d0df6c9ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:27.701759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919/manifest.jsonobserved 893f315401924cfccbb311b5baf4e5dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:27.515645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919/publication.mdobserved d4ac0442fbfe33f4a8afc6f9f91a51ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:27.241927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089919/publication.txtobserved 5e3532f5c2cada20b9da50134302e7fc...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 |
|---|