OT-2026-000071460
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000071460) never changes.
Identity and time
| Publication number | OT-2026-000071460 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-71a0-8808-87d9e73db683 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071460 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d8e58f15040a0567e5be5ca171681833e349dc754dfe36e59d72e8a34801691 |
|---|---|
| Markdown | ce3ee18939ca7bfc4db961ca50ed8bcba2cde9861e21ef76cd3dd2277e1c5ab2 |
| Publication page | 4fdba2942550c94fdd673ab38f816cb94dec1542b72a76b2170307ab23519f53 |
| Manifest | 6927c54a8665a8bee7f446906cf5257a63d8f7c7c0af6e166644b9fc6a4c20bf |
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 | ZI60xqjecZRQpuciQZ6IM+a9qeoGjyA1lYLKvUHsJjGEx+LtFlevbBRigRUPW4EO9VvhNRZ3Yw0yusDZm2l5Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-17T20:41:20.439774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460observed 4fdba2942550c94fdd673ab38f816cb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T20:41:20.357538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460/manifest.jsonobserved 6927c54a8665a8bee7f446906cf5257a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:20.284225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460/publication.mdobserved ce3ee18939ca7bfc4db961ca50ed8bcb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:20.160900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460/publication.txtobserved 8d8e58f15040a0567e5be5ca17168183...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:35.909537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460observed 4fdba2942550c94fdd673ab38f816cb9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:35.850863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460/manifest.jsonobserved 6927c54a8665a8bee7f446906cf5257a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:35.800596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460/publication.mdobserved ce3ee18939ca7bfc4db961ca50ed8bcb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:35.736864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071460/publication.txtobserved 8d8e58f15040a0567e5be5ca17168183...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 |
|---|