OT-2026-000076172
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000076172) never changes.
Identity and time
| Publication number | OT-2026-000076172 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a6f-7e6b-a40a-db1c12b975dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076172 |
| Status | PUBLIC |
Content hashes
| Canonical text | fca0e1a6801f97ec584796be8d49fd70bd74b913852afb6740500cf58929ff88 |
|---|---|
| Markdown | 3e95a9c4d21d74f5e76b4d39c3f92f589b1c8e77aa293826771cb8eb0aa121e4 |
| Publication page | d751b9a274a21bd0b29178608dac49e05fceacb5e6901e9ad7b39f8de344c87c |
| Manifest | ddd19c64317da3da435b3864754f6d38f06b7231e387ad57b422155d3b8418e3 |
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 | vXIMclMtZ3Zewp7vp64+bawzR0oEDBskqiK8oOVy+2cu70HnduRPs34YVRxZeStXh3u7TDiOwatrdqnyEM/sAg== |
| 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
| 2026-09-17T10:11:25.519899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076172observed d751b9a274a21bd0b29178608dac49e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:25.502461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076172/manifest.jsonobserved ddd19c64317da3da435b3864754f6d38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:25.481924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076172/publication.mdobserved 3e95a9c4d21d74f5e76b4d39c3f92f58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:25.039004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076172/publication.txtobserved fca0e1a6801f97ec584796be8d49fd70...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. |
|---|