OT-2026-000075754
Publication integrity record
Single bellows 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-2026-000075754) never changes.
Identity and time
| Publication number | OT-2026-000075754 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fe-7a9e-af79-f44878fbcd8e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075754 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6bb339bb24f087dad5abf4d4b2dfbab28949bfe6018c50708b2f09ecf4aa22a4 |
|---|---|
| Markdown | 68a41c2ff704ec37e99dda9a99a1dfc67bb1a73ada3576a13d437b07c4074261 |
| Publication page | 52073e6e57d3ee82fa0e05c462500e617b9a33dc65ed43425acf67e16204bafd |
| Manifest | 53912fe8c338688cc4f7796f8af5d3a95f570114dbb9371d45fb3f6d5f1ee523 |
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 | j87A7kt115FwRq8UHAh3aSGcgGZ3TFLYHYgjkJTH/0Rn5zGO5Ro3+h5YdyETrtuoLmEj0n+WVu7rmbAnBcWIBw== |
| 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
| 2026-09-17T10:14:08.237541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075754observed 52073e6e57d3ee82fa0e05c462500e61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:14:08.218290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075754/manifest.jsonobserved 53912fe8c338688cc4f7796f8af5d3a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:08.195550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075754/publication.mdobserved 68a41c2ff704ec37e99dda9a99a1dfc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:08.054642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075754/publication.txtobserved 6bb339bb24f087dad5abf4d4b2dfbab2...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. |
|---|