OT-2026-000015257
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-2026-000015257) never changes.
Identity and time
| Publication number | OT-2026-000015257 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-713b-9a48-c5c47a8107c1 · 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-2026-000015257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 102c580928db6bdc328cb320238ff5b241f7fce66c6fb28338c2ed264e6f6e3a |
|---|---|
| Markdown | 2123d70c7b60fc6eb86cea9662460c09e536e42b48672da38d3afbe3f000b8d7 |
| Publication page | 445ea2c3d662288ad508c70e0173eaeac28596a4b694b98ea1f600efce36f7d3 |
| Manifest | 2fa434a9ab89fae36c0c5693c1f3cd9fb558886ccf93225a2d720af349351547 |
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 | e4EWnEQGZs5Ma3YqFW4vf+y07YQVKUkJfO3XAJnG8mddgIndClUDsFT5+WKN+hfqeFIzMp5BF7IZ5KL929YBCQ== |
| 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
| 2026-09-17T12:05:55.799739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015257observed 445ea2c3d662288ad508c70e0173eaea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:55.779796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015257/manifest.jsonobserved 2fa434a9ab89fae36c0c5693c1f3cd9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.758760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015257/publication.mdobserved 2123d70c7b60fc6eb86cea9662460c09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.739665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015257/publication.txtobserved 102c580928db6bdc328cb320238ff5b2...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. |
|---|