OT-2026-000049800
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049800) never changes.
Identity and time
| Publication number | OT-2026-000049800 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8ff0-7b01-b91b-e8a861486927 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f983c42ea82f6d640347b6b7a649ef04c2a1a8d45fb5772e77c47e052184e0a |
|---|---|
| Markdown | 77857320aec0d56e80fb237df5011f4b1d7864bd0b672382d466fb14ac429c02 |
| Publication page | d9fda9c5b32d2024c4a844df4481cb22590ae283df37ca4705a40f78d3a876cb |
| Manifest | feb4c70e92661def9b5777dd0824cc4e41bf637d280dae33c13f2bff21e52d83 |
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 | dJ83orQeLS/my4W+Vc9/I+fO3sKyY8yXJ6OqvpfStjd0BEI+WiLtVL/zeO3wtZ/d78/vIzTh0sFJ1x8gHF3pAQ== |
| 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
| 2026-09-17T11:02:55.468058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049800observed d9fda9c5b32d2024c4a844df4481cb22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:55.447748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049800/manifest.jsonobserved feb4c70e92661def9b5777dd0824cc4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:55.426332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049800/publication.mdobserved 77857320aec0d56e80fb237df5011f4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:55.407136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049800/publication.txtobserved 6f983c42ea82f6d640347b6b7a649ef0...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. |
|---|