OT-2026-000013700
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000013700) never changes.
Identity and time
| Publication number | OT-2026-000013700 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7fda-b789-2a14ba2b7202 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013700 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37362f8e68461a95a7e40572287eecf58cbb0240ab7ca3549d0350b124f15c67 |
|---|---|
| Markdown | dfd2dbda9fbf24cd82722a6a1a3cbc62b25dc1ff2d094172d542a8c2c9316241 |
| Publication page | 5975061dcb899b6bea312241c9fa20adea16040dc46a3214cf21563b27c40e4c |
| Manifest | 0a3a4fb63eea18f648d8c6ec1dfca4ca9316e0bde87c4814d38ad229801e29db |
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 | MlW4pM9VAa7SpbPJfhD764dFnQnpIycKZtwfR9Y3AkhhjBl+QErpgsRIHA12iK+Ir2D4h3ZNCDeS4TKU8MJtCw== |
| 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
| 2026-10-28T08:41:46.281260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700observed 5975061dcb899b6bea312241c9fa20ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T08:41:46.141939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700/manifest.jsonobserved 0a3a4fb63eea18f648d8c6ec1dfca4ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:41:46.059450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700/publication.mdobserved dfd2dbda9fbf24cd82722a6a1a3cbc62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:41:45.955066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700/publication.txtobserved 37362f8e68461a95a7e40572287eecf5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:12.542391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700observed 5975061dcb899b6bea312241c9fa20ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:12.468345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700/manifest.jsonobserved 0a3a4fb63eea18f648d8c6ec1dfca4ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:12.381186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700/publication.mdobserved dfd2dbda9fbf24cd82722a6a1a3cbc62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:12.258558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013700/publication.txtobserved 37362f8e68461a95a7e40572287eecf5...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 |
|---|