OT-2026-000021965
Publication integrity record
Six cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000021965) never changes.
Identity and time
| Publication number | OT-2026-000021965 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-720f-9c0d-d4bf0a3eea56 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021965 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ed9e599395b99332089bbb2c9deae10c49c592747c773b5ea0cd7298b01872a |
|---|---|
| Markdown | 070ca30f6821a71b8038f52bda4b4515b1c656178254829dd26e34ae4e74e4fa |
| Publication page | e4ca9065d21a084c19ca903eea426eb8203e8a42be9109d8ffe46cd76014d19c |
| Manifest | f3f468a93cfbd6314bda9bb4e287af4f91fab8989ff421abd6b99c124ad0c2c8 |
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 | CcIjiTtbnUPEoP7ko+L9hL/w7Qs4W69oCHIP3HdfNd26F9Xx7ZeqwwSHAyhlVLe6FgXqpx7yTFtd7/qTSk4jAQ== |
| 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
| 2026-09-22T12:41:03.004378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965observed e4ca9065d21a084c19ca903eea426eb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T12:41:02.954574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965/manifest.jsonobserved f3f468a93cfbd6314bda9bb4e287af4f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:02.898142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965/publication.mdobserved 070ca30f6821a71b8038f52bda4b4515...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:02.825350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965/publication.txtobserved 5ed9e599395b99332089bbb2c9deae10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:11.787562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965observed e4ca9065d21a084c19ca903eea426eb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:11.767803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965/manifest.jsonobserved f3f468a93cfbd6314bda9bb4e287af4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:11.742413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965/publication.mdobserved 070ca30f6821a71b8038f52bda4b4515...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-18T04:23:11.714277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021965/publication.txtobserved 5ed9e599395b99332089bbb2c9deae10...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|