OT-2026-000020378
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, 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-2026-000020378) never changes.
Identity and time
| Publication number | OT-2026-000020378 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7e69-9843-f213257784a8 · 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-2026-000020378 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82db8d1508ddd4acc00db4d68c9e79aa6442b5b2b34895bfbcfd7a98b6e140af |
|---|---|
| Markdown | 910631d14e4c16424142711d5a452fe7b703237132392a38cf5ac07c50114b9a |
| Publication page | 04b66d005bca027011b5f17569ed1e4d88446ca38fd97904306275d69fe2b88d |
| Manifest | 409f1a7b52ade1e4592c214d05be077a59bce6d8a6c16c2567cea8d42c865cf0 |
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 | Llj+dv1C9/vn3AL++zfjkAvgOgj7HIxg7nNb6bDmjI3+KhiSuh/LdgFzsIXBBIhrSdvKz7R2Zube6eEAX05wAg== |
| 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
| 2026-09-17T12:00:15.762072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378observed 04b66d005bca027011b5f17569ed1e4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:15.743238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378/manifest.jsonobserved 409f1a7b52ade1e4592c214d05be077a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:15.720575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378/publication.mdobserved 910631d14e4c16424142711d5a452fe7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:15.700695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378/publication.txtobserved 82db8d1508ddd4acc00db4d68c9e79aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.772153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378observed 04b66d005bca027011b5f17569ed1e4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.751985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378/manifest.jsonobserved 409f1a7b52ade1e4592c214d05be077a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.733492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378/publication.mdobserved 910631d14e4c16424142711d5a452fe7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.714102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020378/publication.txtobserved 82db8d1508ddd4acc00db4d68c9e79aa...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. |
|---|