OT-2026-000028139
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down
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-2026-000028139) never changes.
Identity and time
| Publication number | OT-2026-000028139 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-77ce-a082-a83afa31d41d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028139 |
| Status | PUBLIC |
Content hashes
| Canonical text | b277832a92121d9c60f0ede583cea121ccb1689bfa277e488019b3bc5a6b19c4 |
|---|---|
| Markdown | 0e00e0eb58ef3b799dd68702235031d96b9d78d71d25d8f24bdc84636eb6e8b9 |
| Publication page | 9fa7c43c736279b1b313eff684cf89f6d77143bb3a41e4a15b21424372b75d9e |
| Manifest | 451713e1dd7fd3bdaacc0d807fc521e21c887745164f20e28dcd0ef0f888da91 |
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 | zcX6lw7NGanO1/dpVUxLM0v/hG8bZwKrEP11OVPQPkvhFEM6jqiWYgiE+hH3aQNeANmXbgkmSNSF9uk/l7cTAQ== |
| 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
| 2026-09-17T11:42:29.368806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028139observed 9fa7c43c736279b1b313eff684cf89f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:29.351118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028139/manifest.jsonobserved 451713e1dd7fd3bdaacc0d807fc521e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.334146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028139/publication.mdobserved 0e00e0eb58ef3b799dd68702235031d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:29.317579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028139/publication.txtobserved b277832a92121d9c60f0ede583cea121...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. |
|---|