OT-2026-000090157
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090157) never changes.
Identity and time
| Publication number | OT-2026-000090157 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-76a8-8986-b8172696e87e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090157 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5bd0ce43b62363ae8e47dab6908e1e57a06c436b71f4f8b7bc5fd98b2a40e8d |
|---|---|
| Markdown | 91e2e0d1413fd6cae0f6ebb8704484f86c14842c9bf5ef84d2a34e39a7e8b078 |
| Publication page | 739b0e9c4990ac9c2455b10ba96275f8587b269ae8ae49c5f77b2585fd68fb29 |
| Manifest | 2ca2ffdcbe5511416d7d6416443ae110d05667db9d714b6c3374f725eaf9805e |
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 | wFKKACQX/fxYv+G9Kk/aVboBHg8DGwNlgEYhctnfiDv0F6jmeZ2MA2HxWILVxSYhLQjURTydcNVF22Y8+UU2DQ== |
| 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
| 2026-09-17T09:45:40.330855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090157observed 739b0e9c4990ac9c2455b10ba96275f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:40.311562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090157/manifest.jsonobserved 2ca2ffdcbe5511416d7d6416443ae110...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:40.291778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090157/publication.mdobserved 91e2e0d1413fd6cae0f6ebb8704484f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:40.274566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090157/publication.txtobserved a5bd0ce43b62363ae8e47dab6908e1e5...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. |
|---|