OT-2026-000031501
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000031501) never changes.
Identity and time
| Publication number | OT-2026-000031501 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-746d-9534-c4304317982c · 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-2026-000031501 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff56ad99bfdc7e8c95a162198feadb49dfca117f53ddd18a63d7515d90af82af |
|---|---|
| Markdown | f4dd830373439805d26948c65345ffa0ee6af09306442acfc73b1993cdb6d6d4 |
| Publication page | 82927ff1219ccd92e2755ca8db0c9297c27471141296dd811b301ea73a487ce6 |
| Manifest | 0f4c44efe39664c1bf842aa77124454016fada0dd5f4ebac7c363f710d2f6c00 |
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 | 10yPK23Bv3EGLrfZPhDbBkoYfur26wzhB172jcKngTro6MXIREk91p/CS8lPZkKbvHKrLsK3iU9fLsi+4RJHBQ== |
| 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
| 2026-09-17T11:36:19.865027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031501observed 82927ff1219ccd92e2755ca8db0c9297...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:19.847156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031501/manifest.jsonobserved 0f4c44efe39664c1bf842aa771244540...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:19.830406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031501/publication.mdobserved f4dd830373439805d26948c65345ffa0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:19.812962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031501/publication.txtobserved ff56ad99bfdc7e8c95a162198feadb49...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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