OT-2026-000083504
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083504) never changes.
Identity and time
| Publication number | OT-2026-000083504 · never reused |
|---|---|
| Internal UUID | 01a0ae98-0415-7f25-a9c5-496126dce050 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:53.320528Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000083504 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22c54278a058c0f858e554f9a35f5c7dca72ad87e048aa661799f6facae8d78e |
|---|---|
| Markdown | 3f82dd8b897fa8c352f2d9f42d9dca769cdbc5b87b02ca4e6dd2e953984b248a |
| Publication page | 2b1ff8e19d2206fa7473e42c2a6a7e6e084ac278a01a45c194c1fe8368dfc2ad |
| Manifest | cdf306af1602a2a49b6b6f2ee47f2d3d964acfc30920be9a199b35ff528c3957 |
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 | D8Z9IbgK3o0zy36FwfMohQm1Xo3HDYE9bXvw9jJ7csVcIPsvy63S4fnhWiKoNe7jEZja1i9OE0ZDJObkw2/8Dg== |
| 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
| 2026-09-17T09:56:28.828548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083504observed 2b1ff8e19d2206fa7473e42c2a6a7e6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:56:28.811876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083504/manifest.jsonobserved cdf306af1602a2a49b6b6f2ee47f2d3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:56:28.794182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083504/publication.mdobserved 3f82dd8b897fa8c352f2d9f42d9dca76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:56:28.775947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000083504/publication.txtobserved 22c54278a058c0f858e554f9a35f5c7d...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. |
|---|