OT-2026-000023781
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000023781) never changes.
Identity and time
| Publication number | OT-2026-000023781 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed5-7bdf-9456-2a34740d1028 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023781 |
| Status | PUBLIC |
Content hashes
| Canonical text | 08879231a445c1fc24082c65fd99de92eee5a8f08b01a7e2d52b44ccfc806b8b |
|---|---|
| Markdown | a2bbe40a5c2901d594b59606b07c95824c0f6d86843cec22673e7ced342175f4 |
| Publication page | cb6808a10e8d610e94974a970e31f1731a38e33db9f71a6a245983b1f454f1fc |
| Manifest | fa32c95fca7671d07f6182217838298f530a998bfd49c3132e83fdd3691ae4b2 |
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 | r/0kk7gj9Et0XdKmyQXFC1R8DNOKQM94Y4Fb1/3pTdj4ZbGYeuqiRSUYOCNX1u5AGwAJWw1U0kfo4ktlvkRPAQ== |
| 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
| 2026-09-17T11:50:15.150582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023781observed cb6808a10e8d610e94974a970e31f173...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:15.131667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023781/manifest.jsonobserved fa32c95fca7671d07f6182217838298f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:15.115632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023781/publication.mdobserved a2bbe40a5c2901d594b59606b07c9582...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:15.099881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023781/publication.txtobserved 08879231a445c1fc24082c65fd99de92...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. |
|---|