OT-2026-000090921
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000090921) never changes.
Identity and time
| Publication number | OT-2026-000090921 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7a43-a7c9-2ecf821b3031 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 102f8f7fd1561a25e244e0a6df9c659918d6fa2cee3d75681bac61731e7c1ca1 |
|---|---|
| Markdown | b81cce6542f35a686af52cd582877ef701b3da0bb039bd5ceedc9791b22152ab |
| Publication page | 0a275ecf706474758d7776bc5b418f4fc598a767cee636333a714e99abd2c22a |
| Manifest | a4db5fd85edaaa3e977169939b06cfa05bc8f1337ae0ba7929bc855c292b7427 |
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 | JREoFg27eKUou9rgKe3bgEvggVubOwO052tdRdo68ZwwC1tXxuPZZnA+S1OQjdrumtwSnlRvr36JymzoJaibAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:08.531951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090921observed 0a275ecf706474758d7776bc5b418f4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:08.515803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090921/manifest.jsonobserved a4db5fd85edaaa3e977169939b06cfa0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:08.500295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090921/publication.mdobserved b81cce6542f35a686af52cd582877ef7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:08.482750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090921/publication.txtobserved 102f8f7fd1561a25e244e0a6df9c6599...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. |
|---|