OT-2026-000052815
Publication integrity record
Three bellows cup vacuum gripper, three zone face, 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-2026-000052815) never changes.
Identity and time
| Publication number | OT-2026-000052815 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42e-70fd-8a4c-1044c12a32b5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052815 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2054340aaa7c2b86f4f366d0039c2f185c0d27954f36bd52ac6a9903b51ee32f |
|---|---|
| Markdown | b86eaa80082a9dd8d3a8ba87367eeaa2a112f56fe505ea82925e2092343ebc0f |
| Publication page | bf0b2429a480a9bd3db5a2c4feee775599715bbc031e7514a85cd82a28c90e02 |
| Manifest | 3f71837ae66e8a33ff63782ae24410b30c4c03615e2bbdd952429a95b9d2e2b2 |
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 | ukW6fq/s4oILrXZ0nstKLhpr0ZIcr0hZtB+N4UbtfVQM9PXMY3mJTwTs1ZIqPwJellzuGCWznD94mVLwoJAsCQ== |
| 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
| 2026-11-01T04:23:13.115037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815observed bf0b2429a480a9bd3db5a2c4feee7755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:23:13.078197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815/manifest.jsonobserved 3f71837ae66e8a33ff63782ae24410b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:13.062694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815/publication.mdobserved b86eaa80082a9dd8d3a8ba87367eeaa2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:13.037327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815/publication.txtobserved 2054340aaa7c2b86f4f366d0039c2f18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:30.803165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815observed bf0b2429a480a9bd3db5a2c4feee7755...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:30.729766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815/manifest.jsonobserved 3f71837ae66e8a33ff63782ae24410b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:30.657034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815/publication.mdobserved b86eaa80082a9dd8d3a8ba87367eeaa2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:30.501973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052815/publication.txtobserved 2054340aaa7c2b86f4f366d0039c2f18...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 |
|---|