OT-2026-000090887
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000090887) never changes.
Identity and time
| Publication number | OT-2026-000090887 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7ce2-ad8d-2bcf96c263c4 · 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-2026-000090887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f0483045d69367f8815aefbb7f43bd12dd5ff39c0edf2be10e506555734183d |
|---|---|
| Markdown | c1e9187157a1f79bd59ee9195621618774dd9f6b1d10d02ddbcfe8a6ec374cf4 |
| Publication page | 1b2b50acb604ab6f510b22abb2cccbf850ba6ef8888a6b98187d8f3857c1aec6 |
| Manifest | 66b0e46f8ded7323518f0fe750350f3a9cdc146c7289629689322694e77533a5 |
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 | alL6u3VWmyIL+bufxRQNZeb2GLClyENiw6M+pKk3zSepW9ydC51ljoLjyOypV8qd+8LDwMhO0HMuMhwrKRs+Aw== |
| 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
| 2026-09-17T09:44:05.280070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090887observed 1b2b50acb604ab6f510b22abb2cccbf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:05.261805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090887/manifest.jsonobserved 66b0e46f8ded7323518f0fe750350f3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.243402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090887/publication.mdobserved c1e9187157a1f79bd59ee91956216187...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.218307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090887/publication.txtobserved 3f0483045d69367f8815aefbb7f43bd1...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. |
|---|