OT-2026-000019501
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000019501) never changes.
Identity and time
| Publication number | OT-2026-000019501 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-731c-a84c-46072dc4bbdb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019501 |
| Status | PUBLIC |
Content hashes
| Canonical text | 66d42a02521d0dfe26e51c7f8c6ec5895eecc5765aec9a0a4ab5415e68169a99 |
|---|---|
| Markdown | 762d482145d3db6bfa0a481b8c6616c2c21e35ab12ef6b2c2dc4aa60116df0a6 |
| Publication page | 5a5acd3203d445834b5544f8ab1c4c8c20d3ed2f4ac8a4dae54111daceefb6ab |
| Manifest | 372e6eb427a4f87129d81b642e861dd3c769e1ba803aa14105b5a80250318e11 |
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 | +R9ROhhfMKY9+1xqWKP8jaUEYE5Nu/Xvfimu68d9m0MJ9UJ5bJKB7RHEv9xh6XOBG8Hkdjclx6bd4oUJsfo/BA== |
| 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
| 2026-09-17T11:58:55.828559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019501observed 5a5acd3203d445834b5544f8ab1c4c8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:55.809019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019501/manifest.jsonobserved 372e6eb427a4f87129d81b642e861dd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.790405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019501/publication.mdobserved 762d482145d3db6bfa0a481b8c6616c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.769458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019501/publication.txtobserved 66d42a02521d0dfe26e51c7f8c6ec589...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. |
|---|