OT-2026-000020087
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three 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-2026-000020087) never changes.
Identity and time
| Publication number | OT-2026-000020087 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-74d0-b05c-0c9e149eb9f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020087 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9dcfd856f825a1805ff9175735fa27fbf0dfe3efc68d6fd30bfa816dd871ebce |
|---|---|
| Markdown | 453a5139980dc3dbfa9e080e1ced2752d0cbf88db63a465c1d894d5bdac2d4ce |
| Publication page | 978101f377df0d5ba6d9e07523ef9d79872f1baccaed1a7d95b7bfaafdb5345f |
| Manifest | ac2b92038c466946c585c07f0e9b882d82fa8eaa6287c7f5d75b824281761a63 |
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 | SiHiRGpqFECPLFwziLKps7/j34kYnDmdObflJq8zn1A4CGvahflxKJyCIaRGfEjE9nXpqImN9B+QRc7Ebc4nCw== |
| 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
| 2026-09-17T11:58:21.644629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020087observed 978101f377df0d5ba6d9e07523ef9d79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:21.626600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020087/manifest.jsonobserved ac2b92038c466946c585c07f0e9b882d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.606776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020087/publication.mdobserved 453a5139980dc3dbfa9e080e1ced2752...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.588563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020087/publication.txtobserved 9dcfd856f825a1805ff9175735fa27fb...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. |
|---|