OT-2026-000020695
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000020695) never changes.
Identity and time
| Publication number | OT-2026-000020695 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7ba8-b851-4089add38253 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020695 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4692aaf2a51269e0aec0ad6500cbc9793334aa6c039e12561d3beec2ed415a60 |
|---|---|
| Markdown | 85bd25175a66cdc40ef01e38ca80eb151301be6480c9a06d5f1afbbdf02c56a4 |
| Publication page | 50aa278b497c01c6854d514544589cf6f2f76462ea1519f44f0ebf3ab65a3495 |
| Manifest | 31525c9490835d8588da4aec37f0ef13e9e53a71b0a73b47694858301d98f2f8 |
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 | jtt1MKyw9ohEAo/FFK/go5j8T6URnzKORng6nXUeBKLjPV7ZD9OX3ev+a9hQP4PiDl76ZRGrY6y/A8Tk0DCxAA== |
| 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... |
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Independent retrieval
| 2026-09-17T11:55:44.338913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020695observed 50aa278b497c01c6854d514544589cf6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:44.322191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020695/manifest.jsonobserved 31525c9490835d8588da4aec37f0ef13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:44.304608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020695/publication.mdobserved 85bd25175a66cdc40ef01e38ca80eb15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:44.285949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020695/publication.txtobserved 4692aaf2a51269e0aec0ad6500cbc979...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|