OT-2026-000031521
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000031521) never changes.
Identity and time
| Publication number | OT-2026-000031521 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-746e-96ea-1afaab66227f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031521 |
| Status | PUBLIC |
Content hashes
| Canonical text | e920faf90b208119d429b7875e22bfddf49e869db10bbc3f17844e8610d92db3 |
|---|---|
| Markdown | 318a3ba7f75332cf4fa5a6bc12f9e485496378a3864f2dc89091c7c1cc0a9544 |
| Publication page | 2ba697a4e98fd6ef0f9c482fcd94aff0c8e24afb2e290b4d31547aaafb7b30e2 |
| Manifest | 7c4af2c9a767d59fc09743f098e300f6acdc3783d7f639a55e46134c9332265d |
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 | wYrfni7CBuUgH0HY9SP6B+ZW2wM2px/M4TaLPafwcHnkYRmE0re7LJU+C6cmQY49erpCimOAnC0MVsI5QdmwBA== |
| 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
| 2026-09-17T11:36:21.452570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031521observed 2ba697a4e98fd6ef0f9c482fcd94aff0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:21.434001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031521/manifest.jsonobserved 7c4af2c9a767d59fc09743f098e300f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:21.417480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031521/publication.mdobserved 318a3ba7f75332cf4fa5a6bc12f9e485...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:21.399206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031521/publication.txtobserved e920faf90b208119d429b7875e22bfdd...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. |
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