OT-2026-000011957
Publication integrity record
Four finger pneumatic gripper, stripped 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-2026-000011957) never changes.
Identity and time
| Publication number | OT-2026-000011957 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1942-72c3-9917-5e107c346499 · 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-2026-000011957 |
| Status | PUBLIC |
Content hashes
| Canonical text | 096197ab983fa48bd0df0e00a3857f62f7d0a9f1517847289899a30b8a9ea153 |
|---|---|
| Markdown | 1156a5c03498baab2875bf1f8fdfe77883405f3d9a50fe5c77e51c7a51e79f9b |
| Publication page | 748d4d6da4d30deadf3c7d1b4386c1d7121f36f316ceb2b6ed9865020867c27a |
| Manifest | fbe6ac117a1367f86c20896a71038c4ec493a479c4283f443c36e1a475300296 |
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 | NS42dC+7D15ZzSUa3BUoODRMByHY1TFbVr/8YmbTCJrxaZkCvuoc1LAJCYqkPkr6OFySkj5zs5I8MIQHaYrrBQ== |
| 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
| 2026-09-17T12:12:48.349831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011957observed 748d4d6da4d30deadf3c7d1b4386c1d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:48.328505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011957/manifest.jsonobserved fbe6ac117a1367f86c20896a71038c4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:48.306531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011957/publication.mdobserved 1156a5c03498baab2875bf1f8fdfe778...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:48.287100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011957/publication.txtobserved 096197ab983fa48bd0df0e00a3857f62...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. |
|---|