OT-2026-000057649
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000057649) never changes.
Identity and time
| Publication number | OT-2026-000057649 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2694-7fee-8634-c5582dea7e62 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057649 |
| Status | PUBLIC |
Content hashes
| Canonical text | fea9d581eb0b6d735f7b362eca541c862c582ff1a689fea776c88a415d3dbbd1 |
|---|---|
| Markdown | 7e4abddf17379bbe9ec1253d0f3a79d4a0f937b82bc6a2c99c0b8bf92deae75e |
| Publication page | 856b8b2a1d91a8429dba6bb021d0ae69a3c1bd2bc22185cffd3a1aa90af289e5 |
| Manifest | 15ba925f8342d32f5bd772636f32c46490384fbcf7dfcdb874d871d8b627c6d6 |
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 | ZgomFOsbQI4TYqtHG80NDqeRPQcD67pSWUWUID0t6QFIV/O71Pbzuzog0JnsjmQkJBNcXfE3MqZo8tZ0Iry6Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:12.916529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057649observed 856b8b2a1d91a8429dba6bb021d0ae69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:12.898635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057649/manifest.jsonobserved 15ba925f8342d32f5bd772636f32c464...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:12.879622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057649/publication.mdobserved 7e4abddf17379bbe9ec1253d0f3a79d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:12.860524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057649/publication.txtobserved fea9d581eb0b6d735f7b362eca541c86...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. |
|---|