OT-2026-000020239
Publication integrity record
Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000020239) never changes.
Identity and time
| Publication number | OT-2026-000020239 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7a15-83d8-4af81b2d9145 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020239 |
| Status | PUBLIC |
Content hashes
| Canonical text | f87716b43afb5b715b1874a1e71a11d70783fa517f49dfb5ea0c8bccd9260d34 |
|---|---|
| Markdown | 494a5b728a3e2e5642179d5d3472c1e82f3a398bc5c9f088ae5b73271e798d12 |
| Publication page | b4e9e488334c8f499d9a8deca77895e3721a16517a894c35fe5ca8405d1667d5 |
| Manifest | e0690cb7ccbe8cbcbb08960858588111659c0ae819c9670d87b7e85e2bc6a3dc |
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 | DwJ7eL6+ddO3nyMyVyhzT90ATPfVGe99ZUp9s4DYkPdSSMs2eMTPkp6ybhF1QojLgYnR673RLpaNqoK85/NfAw== |
| 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
| 2026-09-17T11:56:34.832613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020239observed b4e9e488334c8f499d9a8deca77895e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:34.812944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020239/manifest.jsonobserved e0690cb7ccbe8cbcbb08960858588111...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.793158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020239/publication.mdobserved 494a5b728a3e2e5642179d5d3472c1e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.775210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020239/publication.txtobserved f87716b43afb5b715b1874a1e71a11d7...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. |
|---|