OT-2026-000015253
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000015253) never changes.
Identity and time
| Publication number | OT-2026-000015253 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-729f-bc67-c469212bfffc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1afbca366863d63f273bfa7702cfbd987ca772ac0ffb9770611cea6783a44a5f |
|---|---|
| Markdown | c86d9618cb057a3a63c0f196a1a6fb2ae799736ece7474f425cdaee3dfb580b3 |
| Publication page | 180868192d0ccabbc672a83eb34e36ef18c47d9b41dce3ebec5cd7cdf14debcf |
| Manifest | cbaf0f1f9c7c2b559c62dca994c3fb3404166e8ef89215e4be0d4b66d35d0de3 |
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 | 9y3rSPG++x6t46qHKfV0rseXSk0+aGl84NB59hKEhnujT4X4yoHXXl/snYvQGDKt/q8Sqs5sTHJbDtXCEmOaCA== |
| 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
| 2026-09-17T12:05:55.373421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015253observed 180868192d0ccabbc672a83eb34e36ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:55.353466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015253/manifest.jsonobserved cbaf0f1f9c7c2b559c62dca994c3fb34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.334176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015253/publication.mdobserved c86d9618cb057a3a63c0f196a1a6fb2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.313014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015253/publication.txtobserved 1afbca366863d63f273bfa7702cfbd98...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. |
|---|