OT-2026-000011772
Publication integrity record
Four finger pneumatic gripper, 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-2026-000011772) never changes.
Identity and time
| Publication number | OT-2026-000011772 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1941-7b60-9aac-b85fedcb6f30 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011772 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58821213f949525a7e2ca0b3210274bea9822e087d144211d30b26b77f3a5fb5 |
|---|---|
| Markdown | 7176030d85b9ccd80f676dd7bcb2ba030ac7dd8a59ae0d7df525c8e762bc1b75 |
| Publication page | 20aa8b27c21475121dff932e13b61434c64f033df6a4677e9311ac549a683922 |
| Manifest | d671fe82466371d4de74b95a80bc01630a51c0c3a9dfdcc4c2a023a08fabaf95 |
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 | YQGlhXu/U+9jAvOJ1FYSTXCliVAbbBCsIgPH/QWSSzD7o3YMJdA+da7lflgY2nRGCkAFvjmJ1UlY6Q03fZ5pAQ== |
| 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
| 2026-09-17T12:12:29.236257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011772observed 20aa8b27c21475121dff932e13b61434...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:29.215801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011772/manifest.jsonobserved d671fe82466371d4de74b95a80bc0163...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:29.196250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011772/publication.mdobserved 7176030d85b9ccd80f676dd7bcb2ba03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:29.177656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011772/publication.txtobserved 58821213f949525a7e2ca0b3210274be...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. |
|---|