OT-2026-000011712
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-2026-000011712) never changes.
Identity and time
| Publication number | OT-2026-000011712 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-7f6c-a36c-bce44fc28473 · 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-2026-000011712 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a56d17ac1216014bb8d9aba5d67c7e60cb94147586907be0d31dc5f3d512f56 |
|---|---|
| Markdown | 8be0086628fd3a7364075085aec9c62b47deb587a6d644a3d693f203d58f8f27 |
| Publication page | a823e79ff44105ad823c306b1d1659123794de0826f638fdac81b605fd2302d5 |
| Manifest | f767d49826b0a2288cbb54872335f914caedf314b90b647fd83cb126333078c4 |
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 | sM75I0PmHk6N1e89VHMYW3ImX85xQWcLmpCWO36LdqVXM0Wc5qCdVqtwa57XQMy/XhoT6liJ7MOp32bgj+zwCQ== |
| 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
| 2026-09-17T12:12:19.400294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011712observed a823e79ff44105ad823c306b1d165912...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:19.381737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011712/manifest.jsonobserved f767d49826b0a2288cbb54872335f914...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:19.361877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011712/publication.mdobserved 8be0086628fd3a7364075085aec9c62b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:19.341708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011712/publication.txtobserved 3a56d17ac1216014bb8d9aba5d67c7e6...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. |
|---|