OT-2026-000011491
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000011491) never changes.
Identity and time
| Publication number | OT-2026-000011491 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-88ff-7209-a4af-64d12c6b9ef2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:12:23.703080Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011491 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7e27dbf016a661c3a6719f0ccc8a1c9c379b12892a3d5ff40c52cb04a9d06ab |
|---|---|
| Markdown | 3ac629cd2fc1c4fc3c6a9653f74ed98ceb15dbd6cc13015184e51997c1efa2e4 |
| Publication page | a20a0c6148c5f2ec6e632ffbbe622c180d3131a01b2d3af8422d755b7124212e |
| Manifest | 1fecdebff251e37846da876702d67dcd811898f7b8ec5bbe1419f69b87379d2f |
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 | K+zNsHHRVycfY40EaOE5AzPENKRa77YYQ5h7UP61al4D1LBG8rvbiufZ8BNicd/ezukEpjGUpg+BB1CcwvrYDA== |
| 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
| 2026-09-17T12:13:15.921940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011491observed a20a0c6148c5f2ec6e632ffbbe622c18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:13:15.902833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011491/manifest.jsonobserved 1fecdebff251e37846da876702d67dcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:15.884558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011491/publication.mdobserved 3ac629cd2fc1c4fc3c6a9653f74ed98c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:15.867322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011491/publication.txtobserved f7e27dbf016a661c3a6719f0ccc8a1c9...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. |
|---|