OT-2026-000019525
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump 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-2026-000019525) never changes.
Identity and time
| Publication number | OT-2026-000019525 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-76d1-8cca-b4aa277d34d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019525 |
| Status | PUBLIC |
Content hashes
| Canonical text | 457fc4653e5944e99693bf06d790dce8a9e412223d84fbb47c25f6b356c0db39 |
|---|---|
| Markdown | 44c776f93e83c2b536edea41f216dcdf60d4949880aba1c8ba07a91ba26ab935 |
| Publication page | 71c547b9f89bd880593a7d78a968af16f8a61c246524768e1c55f4147dd2ef3f |
| Manifest | 621ba7da1f5d08e28a51d99b153aeea95b281f05b8e2d402d29d16d4e647c196 |
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 | UrYCz+oW+V9VqcvlKFcwxrole5x3tLj60FkkPTxinB4SYFOkn3hndbV/meVx25GS56ho/j3GXq7/ArOvH1i5DA== |
| 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
| 2026-09-17T11:58:57.721682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019525observed 71c547b9f89bd880593a7d78a968af16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:57.703224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019525/manifest.jsonobserved 621ba7da1f5d08e28a51d99b153aeea9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:57.683234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019525/publication.mdobserved 44c776f93e83c2b536edea41f216dcdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:57.662355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019525/publication.txtobserved 457fc4653e5944e99693bf06d790dce8...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. |
|---|