OT-2026-000020416
Publication integrity record
Single bellows 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-2026-000020416) never changes.
Identity and time
| Publication number | OT-2026-000020416 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7cb3-b205-53c0a67cf10e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020416 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef948429a6800521793b29213cad06d370dbaa944eb0b67273f430f97257b037 |
|---|---|
| Markdown | 9933d01773b7f7020de3ef09684a5e485939a494001be942d800b8ea427c80a0 |
| Publication page | 712b901b4bb41402ac6d6953615444b327e6cc23174145bd25bb9f6aa108f329 |
| Manifest | 94bb6fbbbb82a28392e8ba9c784be256d7507bb548e7c7d996b147252244d0c3 |
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 | 3ETbKqbOgOFLQyjraFUNSQQQ5Ppv6Cqu6NKSBTp7fTlnqZqxHK7s5bW36/aq+D/frxfmsj3Qv4yNygn5M6KcCw== |
| 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
| 2026-09-17T12:00:19.812578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416observed 712b901b4bb41402ac6d6953615444b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:19.793501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416/manifest.jsonobserved 94bb6fbbbb82a28392e8ba9c784be256...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:19.772720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416/publication.mdobserved 9933d01773b7f7020de3ef09684a5e48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:19.751858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416/publication.txtobserved ef948429a6800521793b29213cad06d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.794385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416observed 712b901b4bb41402ac6d6953615444b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.776055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416/manifest.jsonobserved 94bb6fbbbb82a28392e8ba9c784be256...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.759729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416/publication.mdobserved 9933d01773b7f7020de3ef09684a5e48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.741697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020416/publication.txtobserved ef948429a6800521793b29213cad06d3...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. |
|---|