OT-2026-000028885
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000028885) never changes.
Identity and time
| Publication number | OT-2026-000028885 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7357-b5d2-090c45d13b12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028885 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd088f98ad318e745bc0f8eb6e1aaf195dd5be9916bf77a5aee0003c695edded |
|---|---|
| Markdown | 992bc805e9868120ff2931ca6ed8e84af2555aa6b3e0a103c318aeb3434f4685 |
| Publication page | 7801886e8e83385f8e2142c7fc00f21baafc362ba8545d7decd5f5e1c8fca774 |
| Manifest | f226b79c0d70e45f3ee3bbc2e7d8e3b0430eaaa3dc9bc352f30d0d8a9faeaecc |
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 | m7AaJQdMWl5TZJJcM/CWYtouzKym4GrD/ct/BlHhucliuvToedZnEp/SyCUzXcb8atvj6YxnXeo1zSKfb956CA== |
| 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
| 2026-09-17T08:20:09.713803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028885observed 7801886e8e83385f8e2142c7fc00f21b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:09.539884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028885/manifest.jsonobserved f226b79c0d70e45f3ee3bbc2e7d8e3b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:09.519093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028885/publication.mdobserved 992bc805e9868120ff2931ca6ed8e84a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:09.286985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028885/publication.txtobserved dd088f98ad318e745bc0f8eb6e1aaf19...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. |
|---|