OT-2026-000021007
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000021007) never changes.
Identity and time
| Publication number | OT-2026-000021007 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7fd3-bf9f-1d49dddcc77d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021007 |
| Status | PUBLIC |
Content hashes
| Canonical text | df4a5d173a1dfb8e56397ddc688933e4ed2eeeff5342884a2abe91330f772c28 |
|---|---|
| Markdown | 97fe8db746cee910335754ab38a514737ad1c76cc0baa393893ab466c0902d72 |
| Publication page | 67ce620dccc32602a0a4df4505f61056ece29a8519961392343dc3da924fb028 |
| Manifest | a2fffc850f11640f20f28100343bfa45dc6e2129c9a3c1d27be9d17959ab4186 |
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 | T9J4ts5VIKxFnLdnKkjo3+kKEVQamEpwDtOm3P7B1x/6j3anOb9xgRh0axfCYhxXoJpqH7d/ORqi/ubG7m9BAQ== |
| 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
| 2026-09-17T11:56:09.900492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021007observed 67ce620dccc32602a0a4df4505f61056...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:09.881505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021007/manifest.jsonobserved a2fffc850f11640f20f28100343bfa45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.864640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021007/publication.mdobserved 97fe8db746cee910335754ab38a51473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.847348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021007/publication.txtobserved df4a5d173a1dfb8e56397ddc688933e4...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. |
|---|