OT-2026-000028724
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000028724) never changes.
Identity and time
| Publication number | OT-2026-000028724 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-70f1-854b-7923439700af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028724 |
| Status | PUBLIC |
Content hashes
| Canonical text | f947a872b81f7d56e12863c2d99a2b9aba452967885fcc6c5987763d8bcc19c4 |
|---|---|
| Markdown | e0369a852f7f51e1cd5be67075f948cd5fc8372496a862e52c9d76370a552deb |
| Publication page | a65f27d50b16932a536cd02dde0ff50a36218588e45fc195458a8fad0b342f23 |
| Manifest | 0bea34324815a09de1b12c86b867f4105f35df3abd38a4f06e93bc20c67dc87e |
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 | RAsXOEQ/908x/F5ilpwe/LrA0ojeU7CJRM9yROzt2K6NQQIRQPbX/Ms0Xe5469KUMABWOA9WrRLURjAtVri+Ag== |
| 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
| 2026-09-17T11:41:33.588110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028724observed a65f27d50b16932a536cd02dde0ff50a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:33.569033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028724/manifest.jsonobserved 0bea34324815a09de1b12c86b867f410...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.549532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028724/publication.mdobserved e0369a852f7f51e1cd5be67075f948cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.528556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028724/publication.txtobserved f947a872b81f7d56e12863c2d99a2b9a...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. |
|---|