OT-2026-000090962
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000090962) never changes.
Identity and time
| Publication number | OT-2026-000090962 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-75a6-8744-945e854f44aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090962 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a8aec9dd7c4be6d6bad5d2b77bb96926a24609699eeae69c178868461a26a34 |
|---|---|
| Markdown | 0ef75c7c7142cdde1cbe15558c0f301a603eb89855fdf2bd9f07455faa5298f6 |
| Publication page | 9d4f65cfe329d5ccdeba3e27528c7650eb04ba0926a5c2d3ef2fa83b7bf1eb08 |
| Manifest | aed3e8b3e52997c4e9851f383a4008142ad6fd1294b3b47af4c5c8af1aeb7555 |
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 | ge7t9Yy5VS0O+b6D4fmiFCvBm9iS/nmHF2X8fn+Ypt009l3RO7D7LbTsEStbW/Zpnxbj3zDAXWGHijyNmFTJAg== |
| 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
| 2026-09-17T09:44:11.126924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090962observed 9d4f65cfe329d5ccdeba3e27528c7650...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:11.110403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090962/manifest.jsonobserved aed3e8b3e52997c4e9851f383a400814...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:11.093719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090962/publication.mdobserved 0ef75c7c7142cdde1cbe15558c0f301a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:11.075296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090962/publication.txtobserved 4a8aec9dd7c4be6d6bad5d2b77bb9692...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. |
|---|