OT-2026-000021559
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000021559) never changes.
Identity and time
| Publication number | OT-2026-000021559 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7f0d-b479-c936424a51cf · 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-2026-000021559 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e7ea228df0a877af34e70cd525892a10a0a80b02c35d717c8c4266210a213ab |
|---|---|
| Markdown | 3eb30fffa046ec32bc4d4cf4966c55204deb2b32778ff2715daa3f3fa2a8d300 |
| Publication page | 791cadab5ac397798fd8d9c306f7863f32f0292431a5803894a11e2a76a2d7ec |
| Manifest | 5f348f63412dcc44974b9f450318577605cbad8b8f06dfda8a49717436ae5f37 |
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 | bd8TbevCfX57r7iGsGo9HS4ueqkVoIyOLLpzw04voZJlUH6tQYEzJhkmX0n2D4YI2NijBWLoFfimBb+u7JRHDQ== |
| 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
| 2026-09-17T11:55:28.751971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021559observed 791cadab5ac397798fd8d9c306f7863f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.734192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021559/manifest.jsonobserved 5f348f63412dcc44974b9f4503185776...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.716690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021559/publication.mdobserved 3eb30fffa046ec32bc4d4cf4966c5520...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.698106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021559/publication.txtobserved 0e7ea228df0a877af34e70cd525892a1...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. |
|---|