OT-2026-000018881
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000018881) never changes.
Identity and time
| Publication number | OT-2026-000018881 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-759b-9be2-630d9fdd35c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018881 |
| Status | PUBLIC |
Content hashes
| Canonical text | cec8854bd37d6381e65170387541b53b90e00a90f3ee398c21e3e7f3cd13557a |
|---|---|
| Markdown | 0687d188196d54f327d506b3d647970d1686e0debea5fb40aee6707231d4637c |
| Publication page | 690226076b5de4071300f18fa2747bd6e73269bf67806f29ef86c90dd5b299c4 |
| Manifest | 158e0d82128cfd1b22a2cb6309110c7d0ba18a63c3071a5cd601d4895ede580c |
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 | noWQsfOhB982gQT73m+Bl/41dsb3ZaF4z/l7jBLSFsee8OjC8g9L0Uek5fTKvdJ3XOsAPfqflFtl8Zw9IYOyBQ== |
| 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
| 2026-09-17T11:59:31.867617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018881observed 690226076b5de4071300f18fa2747bd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:31.849115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018881/manifest.jsonobserved 158e0d82128cfd1b22a2cb6309110c7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:31.830368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018881/publication.mdobserved 0687d188196d54f327d506b3d647970d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:31.813620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018881/publication.txtobserved cec8854bd37d6381e65170387541b53b...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. |
|---|