OT-2026-000021087
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down
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-2026-000021087) never changes.
Identity and time
| Publication number | OT-2026-000021087 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-79e8-83f2-40e897e73c9f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021087 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a28ca5d8fe1ee4be5c25ad04a03d3a0749e960b46d32e8792cc37249c6b43fb |
|---|---|
| Markdown | 6142df5952626349d62899ba612d10ee006e9db8a37b78d950b8fafdc68c3d9e |
| Publication page | d6d7598902252e42171fa6639f0b55a881ff94653cf30f9d9461ac96415749f3 |
| Manifest | f13c9bf8e97b75653eaef969c9f22cb6f6417b1a710665f379e61b084b243405 |
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 | DtT1mAB0FtreOWgEtMuoZvbhFiVmlgUX3yQrZHa8HdmR+iYTrakUrMZo8BCK+UFP1WaMsiCsFsMiZcJ8d547DQ== |
| 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
| 2026-09-17T11:56:22.380152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021087observed d6d7598902252e42171fa6639f0b55a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:22.359985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021087/manifest.jsonobserved f13c9bf8e97b75653eaef969c9f22cb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:22.340190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021087/publication.mdobserved 6142df5952626349d62899ba612d10ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:22.320510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021087/publication.txtobserved 9a28ca5d8fe1ee4be5c25ad04a03d3a0...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. |
|---|