OT-2026-000053754
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000053754) never changes.
Identity and time
| Publication number | OT-2026-000053754 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735d-7afc-8a53-b54246cdfa2a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053754 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e04bbd73af4c1ec1ba9b3e1db07e3070a2e90f81387c57e4ff070a1f94e63bc |
|---|---|
| Markdown | 1bc4da8d24438128fd1bdb96be02752f3c534d5a8f32daf8e42739b47a934e69 |
| Publication page | 304554116c8ac811c0cf9018d444fc42a7d7f4f55c2d6239930356d5cab677dd |
| Manifest | 980dc69e1f2026f3f8b33c10ce87ea0111c4ceca0449ce976f9c16af9c4b8586 |
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 | k7EpLYz8DoPdUedluCQDlHXfOyKJ36lS1eZM9q0643J2fAt+ioWorFJhAdXbI+0r6Pm+T1Opap3feasCLDg3BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-23T20:41:26.081987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754observed 304554116c8ac811c0cf9018d444fc42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:26.012009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754/manifest.jsonobserved 980dc69e1f2026f3f8b33c10ce87ea01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:25.936720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754/publication.mdobserved 1bc4da8d24438128fd1bdb96be02752f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:25.835795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754/publication.txtobserved 2e04bbd73af4c1ec1ba9b3e1db07e307...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:10.167053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754observed 304554116c8ac811c0cf9018d444fc42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:10.084215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754/manifest.jsonobserved 980dc69e1f2026f3f8b33c10ce87ea01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:09.980024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754/publication.mdobserved 1bc4da8d24438128fd1bdb96be02752f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:42:09.863788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053754/publication.txtobserved 2e04bbd73af4c1ec1ba9b3e1db07e307...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 |
|---|