OT-2026-000075420
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075420) never changes.
Identity and time
| Publication number | OT-2026-000075420 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f201-7c98-bedb-7299110f87ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b1ba44328b397807f8f95007cfe71c95f8d89437aa8fa9bd7120e46e8a3ca84 |
|---|---|
| Markdown | bc8704523b66e4822098249554e486e72bf3097c123dfaa500da9bd307286d36 |
| Publication page | e133cfa89602a07c31fc7c1ee7060240941433b2102f73c4423c8040b4ef039d |
| Manifest | 53b95dd575a9e207fc744c1659f0f34297c83f800c890d5bdde49ee27ea987b5 |
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 | TgOejH8slVCvgMOLqy2igcNYOPjkb4kmF5wC0hxGl1XVlb7SaOmq3bnSi9PTPdaQ0z8N8554kUkRjafK4pj7Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:17:34.717910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075420observed e133cfa89602a07c31fc7c1ee7060240...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:17:34.696916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075420/manifest.jsonobserved 53b95dd575a9e207fc744c1659f0f342...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:34.554594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075420/publication.mdobserved bc8704523b66e4822098249554e486e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:17:34.535790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075420/publication.txtobserved 9b1ba44328b397807f8f95007cfe71c9...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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