OT-2026-000021209
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000021209) never changes.
Identity and time
| Publication number | OT-2026-000021209 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7164-b019-26a614ff05be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021209 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6481ab2d71a93b79cdc710dc2c2d0c46b3fbb4024167984409d2afffbbb80958 |
|---|---|
| Markdown | 5b2ee391b1b27b52e50f995339d4dd46b22c353d7d1f21fadb3691d5eb4a7a63 |
| Publication page | 967ba75ba5735b0abb695c5068c5026cd25d8628be78696ddbaba247253e53c4 |
| Manifest | b3fa0488d099e29ff94a8e92cf46ad1cfa91236aa30dc513ecaa0cdbe00c6565 |
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 | ENIF68AQVn4PtEYMX5TLoSZSCr0OTsufrq8/2ixkMuqSpKGP5e1O3ejOsmp0km6AIqV0H30EpLY+yB1qDUjqBQ== |
| 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
| 2026-09-17T11:55:00.541332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021209observed 967ba75ba5735b0abb695c5068c5026c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:00.520095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021209/manifest.jsonobserved b3fa0488d099e29ff94a8e92cf46ad1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:00.499113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021209/publication.mdobserved 5b2ee391b1b27b52e50f995339d4dd46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:00.479380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021209/publication.txtobserved 6481ab2d71a93b79cdc710dc2c2d0c46...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. |
|---|