OT-2026-000051287
Publication integrity record
Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000051287) never changes.
Identity and time
| Publication number | OT-2026-000051287 · never reused |
|---|---|
| Internal UUID | 01a0ae83-2740-76b6-ac02-a219bd1fbbf6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:05.998905Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051287 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbe9059d4ef1829ca130c53c6f8a004298fb51e428c141fa83670a5df2271c5b |
|---|---|
| Markdown | f72b89bf4b47d06045bd8879222a85c2bd07350f4a5ec40efa2394c299ab1232 |
| Publication page | 4066c4093cb0f2d554500bb053c8607ab026e1ccf50a0cb26e798736c732d21f |
| Manifest | 7e1f2dab92f0f34a703c489463400a6f20bedcfaf0a11c0c11de65ef889771a1 |
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 | xckay1BWmjGDRUNJOJLCdv3h2F/IQ6yUTH4vcn8C3gA5RUA3NlJI4mQlN3HgynE8w4MjxkuajGqBrRbJ5hS2CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-25T04:41:45.152949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287observed 4066c4093cb0f2d554500bb053c8607a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T04:41:45.101025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287/manifest.jsonobserved 7e1f2dab92f0f34a703c489463400a6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:45.039197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287/publication.mdobserved f72b89bf4b47d06045bd8879222a85c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:44.981137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287/publication.txtobserved fbe9059d4ef1829ca130c53c6f8a0042...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:42:42.150216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287observed 4066c4093cb0f2d554500bb053c8607a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:42:41.989633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287/manifest.jsonobserved 7e1f2dab92f0f34a703c489463400a6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:42:41.821925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287/publication.mdobserved f72b89bf4b47d06045bd8879222a85c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T16:42:41.611848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051287/publication.txtobserved fbe9059d4ef1829ca130c53c6f8a0042...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 |
|---|