OT-2026-000012531
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two 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-2026-000012531) never changes.
Identity and time
| Publication number | OT-2026-000012531 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7c1d-8e9b-7057ff22c66a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7203133c31c59bbb5829a75ad2a43a57ca3603542f22abaaebfd2a57973c8235 |
|---|---|
| Markdown | 6b378717046e354c25a126afd37c3ab70a9cebbf8ac8857a3971515658c7e8b3 |
| Publication page | a7f2f7b7a8613d6595c598b8abe03b386384fe2d6a1352e8f934aea8e65ad661 |
| Manifest | 4545e7afc933e56e3b4888ef303319adca76128061c4a9d5841a60c0566dec45 |
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 | Yw3JruEEeBJrk9qs8TDY5rrZnmeM5AnYIuvqXVBSF/suW3JBu8sFS2GKUjuzCwl/zaE07k/+Tp7U3/9JhPRcCg== |
| 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
| 2026-09-17T12:12:03.385043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012531observed a7f2f7b7a8613d6595c598b8abe03b38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:03.365446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012531/manifest.jsonobserved 4545e7afc933e56e3b4888ef303319ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:03.348194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012531/publication.mdobserved 6b378717046e354c25a126afd37c3ab7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:03.329809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012531/publication.txtobserved 7203133c31c59bbb5829a75ad2a43a57...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. |
|---|