OT-2026-000021507
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021507) never changes.
Identity and time
| Publication number | OT-2026-000021507 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7577-b764-16234cc06896 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63bc076e6cdfac5589f45e34356f34b0f1f0c108ded0131cb03bc22f5dac74f8 |
|---|---|
| Markdown | a478927a556abf6539dc106db78297aa300c25872d612238d2946cdc2ada8c72 |
| Publication page | 6f3ddc610db14d3ca7030e6a7427b567d836bf9b22bf907ed1cf849eac07e9e0 |
| Manifest | f059ed0b8f114115d8b1c344f407dfe4a8053acbeb1a883b7d517b2d401d1007 |
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 | 0Mcn59qggphCz+g+2AZrF2iA5H7DZACsRr5KF+KdFnCdNoyA0ER53uMDUmM3JdmgfJlLEmAVEFgljShlIM0lBQ== |
| 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
| 2026-09-17T11:55:25.389332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021507observed 6f3ddc610db14d3ca7030e6a7427b567...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.371304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021507/manifest.jsonobserved f059ed0b8f114115d8b1c344f407dfe4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.355143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021507/publication.mdobserved a478927a556abf6539dc106db78297aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.336640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021507/publication.txtobserved 63bc076e6cdfac5589f45e34356f34b0...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
| Custody package | Pending Custody packages are produced weekly. |
|---|