OT-2026-000029515
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000029515) never changes.
Identity and time
| Publication number | OT-2026-000029515 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7aa0-bedd-f863dbcb660f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029515 |
| Status | PUBLIC |
Content hashes
| Canonical text | de8733beba4a1f351e785438664d28c32d80df3cc9ed6c1ca7486548276a157f |
|---|---|
| Markdown | b01487ed299816ae01511f3cd31a98715417e93f16badb40d7138be5a63df7b3 |
| Publication page | 7161d7d456601dc315341aa10283a731dade298cfa3fa792a3ab1b46c8301bf0 |
| Manifest | 806bad42caaddffc9a31347dd20ed615b5379d35a61d1d20d07de9c3c5b8aac1 |
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 | AxIHEvzy0wyWKv8Hobs/V8l/q+aMYl2D/CgM2V1ksBUaHODMb3ftCZzj0hoo2uTzadMq6ehNSdRNN/e7Am1eAw== |
| 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
| 2026-09-17T11:39:09.498220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029515observed 7161d7d456601dc315341aa10283a731...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:09.481863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029515/manifest.jsonobserved 806bad42caaddffc9a31347dd20ed615...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:09.462582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029515/publication.mdobserved b01487ed299816ae01511f3cd31a9871...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:09.444152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029515/publication.txtobserved de8733beba4a1f351e785438664d28c3...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. |
|---|