OT-2026-000053866
Publication integrity record
Four pad foam vacuum gripper, four 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-2026-000053866) never changes.
Identity and time
| Publication number | OT-2026-000053866 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735e-7ba2-bd4c-69a2436a4ac8 · 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-2026-000053866 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5b40410032354a4339d302ae9302b4957555450b5ebc489a62de2be00e02c5b |
|---|---|
| Markdown | 4c9fc2cb3a620a3d1ecf2ea520e1e3b1977188e9de6263a22c2a394cfb275c72 |
| Publication page | 891a4bcfb019f1c958e332597c2fd4f30613fa69ce1aae604192c0716f774143 |
| Manifest | 0c6ad3cad09b0dc55b97a9abb8ea7ad6d407ef892a6e111312b15a1564fba47b |
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 | f6eWcHlQRQaNvzkHRVCwoGrQ+WWuLkfSwE4RTDgJFGHH6dj4H818+Bl5/zNtG0fp5qteHf/IJcU+6adOxVjMDQ== |
| 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
| 2026-10-20T04:41:17.363414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866observed 891a4bcfb019f1c958e332597c2fd4f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:17.291445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866/manifest.jsonobserved 0c6ad3cad09b0dc55b97a9abb8ea7ad6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:17.217164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866/publication.mdobserved 4c9fc2cb3a620a3d1ecf2ea520e1e3b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:17.144578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866/publication.txtobserved b5b40410032354a4339d302ae9302b49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:45.389423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866observed 891a4bcfb019f1c958e332597c2fd4f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:45.301284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866/manifest.jsonobserved 0c6ad3cad09b0dc55b97a9abb8ea7ad6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:45.213506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866/publication.mdobserved 4c9fc2cb3a620a3d1ecf2ea520e1e3b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T16:41:45.057186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053866/publication.txtobserved b5b40410032354a4339d302ae9302b49...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 |
|---|