OT-2026-000020075
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed blow-off before 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-2026-000020075) never changes.
Identity and time
| Publication number | OT-2026-000020075 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-76c4-b9ff-ae9818924d99 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020075 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04b2aeb8492f4efb1a0dab1c114c67887ba751a0cc0d42d9a9349e767a6e2fee |
|---|---|
| Markdown | bbcfcfbe8819b1ae4ed7b235b73964e783deade92c62ffe72ebcc469c48eac8c |
| Publication page | e5cb1582e9c05c3c357e0000a2f778e60951ccc47c45cbd62dd56e138e936ea2 |
| Manifest | 28f7dcaeeb8658d1d72944836e52e287ed4715d78302a58834722051046ec928 |
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 | HvzWYnFwNg7wnXmerZyDaPoHpqRW8i9MboEiWlc83u0pgRRitx1f1nZNtJajrs/do115ZD28e7APGPcsHekKAQ== |
| 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
| 2026-09-17T11:58:20.939627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020075observed e5cb1582e9c05c3c357e0000a2f778e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:20.919397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020075/manifest.jsonobserved 28f7dcaeeb8658d1d72944836e52e287...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:20.901755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020075/publication.mdobserved bbcfcfbe8819b1ae4ed7b235b73964e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:20.881809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020075/publication.txtobserved 04b2aeb8492f4efb1a0dab1c114c6788...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. |
|---|