OT-2026-000007843
Publication integrity record
Two 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-2026-000007843) never changes.
Identity and time
| Publication number | OT-2026-000007843 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-713c-98f7-25ed5f9cc64d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007843 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccf9e333f82010ca274a8ee622dd69bea506324ea0fa6ea93b914e7bf0f93aa8 |
|---|---|
| Markdown | 45521fbd80f06ec2b7b9fcbd0b041ebbe62256f74302e5f7ccb7a85ba5254dbd |
| Publication page | 767b7b766f8c1d4012398a1732773727a1a1971c9b1d9571e108de831852cf74 |
| Manifest | 4d0eaf0aa519a73d30809c8d340e2d10587f712347e70e41b8df7d38ba4baa74 |
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 | rN15WiMei+lGFgPld+UHhr46KAsvfHf7BAjqOqjrIS8eyeV1kIhoWfwmmjIrPhHEPen6uNQuVRQgWHscE4PBAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:20:06.719338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843observed 767b7b766f8c1d4012398a1732773727...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:06.649297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843/manifest.jsonobserved 4d0eaf0aa519a73d30809c8d340e2d10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:06.632109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843/publication.mdobserved 45521fbd80f06ec2b7b9fcbd0b041ebb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:06.573877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843/publication.txtobserved ccf9e333f82010ca274a8ee622dd69be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:45.742546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843observed 767b7b766f8c1d4012398a1732773727...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:45.695432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843/manifest.jsonobserved 4d0eaf0aa519a73d30809c8d340e2d10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:45.678399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843/publication.mdobserved 45521fbd80f06ec2b7b9fcbd0b041ebb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:45.593761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007843/publication.txtobserved ccf9e333f82010ca274a8ee622dd69be...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. |
|---|