OT-2026-000012743
Publication integrity record
Four cup vacuum gripper, four zone face, plant vacuum fed, pulsed 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-2026-000012743) never changes.
Identity and time
| Publication number | OT-2026-000012743 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5562-75cb-b521-6fcccd31fa90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012743 |
| Status | PUBLIC |
Content hashes
| Canonical text | c1a2eaf24bc6950d51bdd3689ee3244565261cc669b880323153b16444d2acc5 |
|---|---|
| Markdown | 383c5faed37766949c8daaa4ae1b7f0e65419f1ad5c529682fe9020d798c0f18 |
| Publication page | 69c66048e24848425767a74816c4a0179933a09f181bb3c6502540d30593afd6 |
| Manifest | bf67807a9670d9f70d3dbf0a46839f96575a6a1581de6b1d83805dc8b8abfdf7 |
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 | x/MNwSVZO2/g9Yr+RFDqvoOT0gFMvnab2ZtvgS+eHt1+LBGSMCHQNmfVWHjO4mzL70CvrtB6wNKNPasLEHttBQ== |
| 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
| 2026-09-17T12:10:26.433258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012743observed 69c66048e24848425767a74816c4a017...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:26.414591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012743/manifest.jsonobserved bf67807a9670d9f70d3dbf0a46839f96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:26.396410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012743/publication.mdobserved 383c5faed37766949c8daaa4ae1b7f0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:26.377219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012743/publication.txtobserved c1a2eaf24bc6950d51bdd3689ee32445...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. |
|---|