OT-2026-000021951
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000021951) never changes.
Identity and time
| Publication number | OT-2026-000021951 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7892-bdcf-ae49a9e428da · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021951 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4932e81e91917b564c03dbd2c44b67cfa7792d690af35f7ccef642acbd3c0f14 |
|---|---|
| Markdown | 521576f0c49146b0768610306a28683d6637b9d7b6e298d15dad1372f4180bbc |
| Publication page | 92b6a88b952a818c6eb031f5a2dabaf17597d7c5f70004132d1d739b85108a35 |
| Manifest | a70f6d130f846192af1b7eab3d434d5b473e390c3cfe192c28da91adfe721791 |
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 | bIlWwNdEXTfCeX79tev+J+BMUJxGUJXcvfSxCSwPdzgSdBS38A2nlhmNJDOLrbYnGOauoaU9IlIGfINAIJC5Aw== |
| 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
| 2026-09-17T11:54:37.090161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021951observed 92b6a88b952a818c6eb031f5a2dabaf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:37.071191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021951/manifest.jsonobserved a70f6d130f846192af1b7eab3d434d5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.052859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021951/publication.mdobserved 521576f0c49146b0768610306a28683d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.033125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021951/publication.txtobserved 4932e81e91917b564c03dbd2c44b67cf...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. |
|---|