OT-2026-000020888
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000020888) never changes.
Identity and time
| Publication number | OT-2026-000020888 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-78c2-91f6-507583491c82 · 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-2026-000020888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d6ca4be5a418bb65e65a430a539d83ea3d45404378f9806cab3e53f147406bd |
|---|---|
| Markdown | 78d4324818d6537647b774baab14fa74297ce6c65b2fb5fecb3339cd32a55b76 |
| Publication page | 3054aa5260aac4b05e78e08f696153e239e49185930f38e2688d26469705c507 |
| Manifest | 6c3fbb381ead32e362bda821042c88f06dd6d39dddbaa49520ec080f9304d2ef |
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 | lgl+Oj4TOmizPSFmSyW8mUX1Ur2Sp2B1HTtNJo9M9GYKo2LmF/VSW3QtxbtBcGLG4RmrfELtDkbqLhvP2TsqCg== |
| 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
| 2026-09-17T11:56:00.019051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020888observed 3054aa5260aac4b05e78e08f696153e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:00.000314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020888/manifest.jsonobserved 6c3fbb381ead32e362bda821042c88f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:59.983512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020888/publication.mdobserved 78d4324818d6537647b774baab14fa74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:59.967059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020888/publication.txtobserved 1d6ca4be5a418bb65e65a430a539d83e...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. |
|---|