OT-2026-000013977
Publication integrity record
Single cup vacuum gripper, 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-2026-000013977) never changes.
Identity and time
| Publication number | OT-2026-000013977 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7f8c-8590-5d2a0706db7d · 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-2026-000013977 |
| Status | PUBLIC |
Content hashes
| Canonical text | 46ecf02395d9d42c7cd8c188d5beb4b3dc0843ca3ff15d022cb0e2f0649037cb |
|---|---|
| Markdown | 502fcedbb9e8e937ffc53098bfec7cc5a6d8ae6a89166c74a02533e024a77b0c |
| Publication page | 6ffff371f4420bbf898c29a0c7e333e62b9e12caa9cf5bc2154e7fe0bfc64f39 |
| Manifest | 13f4f4fc2126ff650e7b387cdf050f9a77e28a610198abd1561543153a033ed3 |
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 | NV5HmJ4/fxL9jCMRKV9dt9ICpX0r3FP+mUPGe9eSriy7GkADlHy4cLRrfgsRXnh0098ICQgisCQbvsH/M1kVDQ== |
| 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
| 2026-09-17T12:09:11.376274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013977observed 6ffff371f4420bbf898c29a0c7e333e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:11.355826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013977/manifest.jsonobserved 13f4f4fc2126ff650e7b387cdf050f9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:11.335343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013977/publication.mdobserved 502fcedbb9e8e937ffc53098bfec7cc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:11.314881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013977/publication.txtobserved 46ecf02395d9d42c7cd8c188d5beb4b3...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. |
|---|