OT-2026-000021568
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021568) never changes.
Identity and time
| Publication number | OT-2026-000021568 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7786-ad52-a6d9d692099c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021568 |
| Status | PUBLIC |
Content hashes
| Canonical text | e632a3606b114488da1e0138bbb91bed52a7bb07b87eb6485b4296fab113aee8 |
|---|---|
| Markdown | 777ae17aa07fb1a5c708512e1896c656311128ea43cd9333f2893ffd89839224 |
| Publication page | 89c04ac00388079a464c7273e70c966c6525ca331ffc810f0bc245706580d41d |
| Manifest | 0104a273e22037edd56ef4689f0d4155cb975637f04fc5298362f44cbb3acae0 |
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 | dYeXyyaPwZudlmQIOU02xWkxjqysJOBaR+Q7mgfEEdK87jR3CuY/7R5mmGlK8QZNqJkbZdWHPFrKCrcuXwDWAw== |
| 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
| 2026-09-17T11:55:29.412902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021568observed 89c04ac00388079a464c7273e70c966c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:29.396086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021568/manifest.jsonobserved 0104a273e22037edd56ef4689f0d4155...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.379550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021568/publication.mdobserved 777ae17aa07fb1a5c708512e1896c656...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.360037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021568/publication.txtobserved e632a3606b114488da1e0138bbb91bed...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 |
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