OT-2026-000015171
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000015171) never changes.
Identity and time
| Publication number | OT-2026-000015171 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef47-7a24-881b-98ffb0ca9e29 · 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-2026-000015171 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd3c5d2c28e9abd15a6e7bee49de12075840bb61b2f394a5dc0c10d93c2e9ba7 |
|---|---|
| Markdown | cd4ae9f2cbdb6872a23be10205c130f7154b0a1436300376abbec6d6d7b44081 |
| Publication page | a413f46f2d2b2c99406ce2faabb026420342a07a0f628c2eec4c04be3bd29fb5 |
| Manifest | 0d92bf0a15ff2db37ec89a0ccd502fe84b30b2c982aea68339969e47cd40a6df |
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 | v0LBoa6yELPe4FIUYMwI+VfM7zOJSpnfaMet8Ybx9PmqV55IVc9ewr/jaHVdKFj0teU3fbVdevvFg6nk+nQyDg== |
| 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
| 2026-09-17T12:05:47.435945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015171observed a413f46f2d2b2c99406ce2faabb02642...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:47.416752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015171/manifest.jsonobserved 0d92bf0a15ff2db37ec89a0ccd502fe8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:47.397742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015171/publication.mdobserved cd4ae9f2cbdb6872a23be10205c130f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:47.378620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015171/publication.txtobserved bd3c5d2c28e9abd15a6e7bee49de1207...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. |
|---|