OT-2026-000055720
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055720) never changes.
Identity and time
| Publication number | OT-2026-000055720 · never reused |
|---|---|
| Internal UUID | 01a0ae87-09ca-7de2-a060-29d5cb7d67a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055720 |
| Status | PUBLIC |
Content hashes
| Canonical text | a8cc4e19bc1f749d7018fca94088f8016cf3a01acb46f392d50601ccd693e9fd |
|---|---|
| Markdown | 21768cbc9f0d308f4b6c308edc0d8837a0c39bf12460f9d58b818d4f4bc354f7 |
| Publication page | 7225b13deea70eecaf1c5cde52fadef94787db180d1b3addc79d3e2a38bd5c1c |
| Manifest | 02ed5505fdda99540b09816c6efd2da19df59a876c5d4af51865fe819d50862b |
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 | E33/j5TpaYZUpCShB3e90YIeNaQEA2COJWaJPJpprq5Qbz5QobTKuQToxb78OwhY9EJKfB1aGfxwpRYtqpKEAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:03.318652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055720observed 7225b13deea70eecaf1c5cde52fadef9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:03.302340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055720/manifest.jsonobserved 02ed5505fdda99540b09816c6efd2da1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:03.283819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055720/publication.mdobserved 21768cbc9f0d308f4b6c308edc0d8837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:03.265711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055720/publication.txtobserved a8cc4e19bc1f749d7018fca94088f801...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. |
|---|