OT-2026-000056498
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000056498) never changes.
Identity and time
| Publication number | OT-2026-000056498 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af4-7bdf-81ac-e916d948380b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056498 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ef3b4a24a38e69a657cb575fd2cd81e6c2a28cdfd26e1be416e81f6706b85e4 |
|---|---|
| Markdown | 00f150f543653dab66575c2d7adae99d91ea9162daf6d0094d25f6c7023e39dd |
| Publication page | 81f5c17c65b6ed77497e54f85686ea0674a25ff4b0990cb3ba4fb64a3fe11559 |
| Manifest | 40fc4f4eabdb003d36735766fd2e49a354813f506ae22635c33e35586ecdd944 |
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 | vkrg9qIndcLHww/KQcV7rnxhpCSupQnomuRsry2DP6Rwvo0z0SWOpvfVn4pXle+MwQEWzcjMpes/LjXcvRrQCA== |
| 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
| 2026-10-22T04:42:00.323118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498observed 81f5c17c65b6ed77497e54f85686ea06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T04:42:00.215556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498/manifest.jsonobserved 40fc4f4eabdb003d36735766fd2e49a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:42:00.089449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498/publication.mdobserved 00f150f543653dab66575c2d7adae99d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:41:59.810730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498/publication.txtobserved 5ef3b4a24a38e69a657cb575fd2cd81e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:07.174043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498observed 81f5c17c65b6ed77497e54f85686ea06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:07.015997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498/manifest.jsonobserved 40fc4f4eabdb003d36735766fd2e49a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:06.891389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498/publication.mdobserved 00f150f543653dab66575c2d7adae99d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:06.628125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056498/publication.txtobserved 5ef3b4a24a38e69a657cb575fd2cd81e...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 |
|---|