OT-2026-000019823
Publication integrity record
Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000019823) never changes.
Identity and time
| Publication number | OT-2026-000019823 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-7af3-a843-4c6aaa9aea57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019823 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c445568deef6578d7315d0c2a0488ff3cee8dfef510d57420a4a6c7c9544b08 |
|---|---|
| Markdown | e22b26fca96e042a18c55a0ddbfb578dd98acdb4c41a151250eabcb5103a3597 |
| Publication page | 698c9d7749b2c6ce5f7ac124fb6e7a7245028292d97ed4d0395658987f1e6165 |
| Manifest | 63a03948705754248f882c58c94d094b0b930183864d2e54442f39a553b480ef |
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 | qsVtHxWCaGY8mbzYbOoOCo0EKPd86aR4+5wIT1p6Lhc0qB4YZdwlz8M7hFH98KDIKYB377TAYP1QbnT1nWTHCw== |
| 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
| 2026-09-17T11:58:00.685355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019823observed 698c9d7749b2c6ce5f7ac124fb6e7a72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:00.668170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019823/manifest.jsonobserved 63a03948705754248f882c58c94d094b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.651311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019823/publication.mdobserved e22b26fca96e042a18c55a0ddbfb578d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.633969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019823/publication.txtobserved 0c445568deef6578d7315d0c2a0488ff...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. |
|---|