OT-2026-000011687
Publication integrity record
Three 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-2026-000011687) never changes.
Identity and time
| Publication number | OT-2026-000011687 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-768a-a183-3b530437e102 · 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-2026-000011687 |
| Status | PUBLIC |
Content hashes
| Canonical text | de6ee446c756b23cb31a53a09667e6edfa834ab9c6be557d8faba2c4fa61ca54 |
|---|---|
| Markdown | 91da53e0af3e1473f959b27bac22110fb4a4d60538cb3df820989e40658068d3 |
| Publication page | 52f74caaacfc743f7e226ecb680eb338918771658c6ae28f3c6e25677f00010a |
| Manifest | 7f087551a83380c92665eeeece4b56d1f760de7df3a6b1db5bcb83531690eee4 |
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 | +9OidK/jt2VcpdAYQlFsqqiYmqzhQTiDPh4CjhJz6gw0LmpQck7G+QMQObdPzauMBPdNk999kXq/TxOrdOtADw== |
| 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
| 2026-09-17T12:12:17.270087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011687observed 52f74caaacfc743f7e226ecb680eb338...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:17.250277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011687/manifest.jsonobserved 7f087551a83380c92665eeeece4b56d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:17.230948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011687/publication.mdobserved 91da53e0af3e1473f959b27bac22110f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:17.209725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011687/publication.txtobserved de6ee446c756b23cb31a53a09667e6ed...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. |
|---|