OT-2026-000021842
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000021842) never changes.
Identity and time
| Publication number | OT-2026-000021842 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7e96-b8ee-b9418250c717 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021842 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3664167cd81a37baca3bb0baa0bcd1a8181f82a60d98267ad80ce6c0902d435b |
|---|---|
| Markdown | 4d87427100f05610eb5dfa4fc405cdedd33288f02fab80f29acb76d132cb4ba2 |
| Publication page | 1861dccc5e614b461a08fd03562546d004faabab02da784eb030eb65043f0f3e |
| Manifest | 4fca964125b744fff0817fe94932741648f8022c489213161e39d21df96c78c6 |
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 | /b2LsnVEIYmktJchHQEqE56R9YIoX8S7/aq3iQVgRN8I1x0fPMqm4RW7QXB/0PBHqPHFDtCfMpeM7AnltLKRCA== |
| 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
| 2026-09-17T11:54:24.074494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021842observed 1861dccc5e614b461a08fd03562546d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:24.056981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021842/manifest.jsonobserved 4fca964125b744fff0817fe949327416...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.038591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021842/publication.mdobserved 4d87427100f05610eb5dfa4fc405cded...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.022407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021842/publication.txtobserved 3664167cd81a37baca3bb0baa0bcd1a8...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. |
|---|