OT-2026-000021590
Publication integrity record
Foam pad vacuum gripper, single stage ejector, sustained 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-2026-000021590) never changes.
Identity and time
| Publication number | OT-2026-000021590 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7d95-85d8-99651105608c · 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-2026-000021590 |
| Status | PUBLIC |
Content hashes
| Canonical text | 89c1b461a1f023d915bccc3250038e0e47e1d01af9b189cc06d122a389b82e05 |
|---|---|
| Markdown | 4bb9605049738115c22f507c7ded6a8fe022ec7df3adb4bf92fa6cef715ea7e4 |
| Publication page | 945458238da99daa133d1a904a5e6fc8caee4c65a0af0e89d19af191e771920f |
| Manifest | 27e77c4aa04d3ba003122ebca61398d248b9be9d4909c1533e61d8a2657c068b |
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 | Z355EtT7Ewf0L91crkytNHeDMH2DnMF+165kLeXf46Klp4D+w9muQzYO4pEpYT9L8oXMb9D4YDHY5kDoDyLlDw== |
| 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
| 2026-09-17T11:54:56.486111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021590observed 945458238da99daa133d1a904a5e6fc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:56.466035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021590/manifest.jsonobserved 27e77c4aa04d3ba003122ebca61398d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.433823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021590/publication.mdobserved 4bb9605049738115c22f507c7ded6a8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.405512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021590/publication.txtobserved 89c1b461a1f023d915bccc3250038e0e...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. |
|---|