OT-2026-000020380
Publication integrity record
Single bellows 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-2026-000020380) never changes.
Identity and time
| Publication number | OT-2026-000020380 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-79f5-b9f2-3baf5fc5628f · 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-2026-000020380 |
| Status | PUBLIC |
Content hashes
| Canonical text | d50f8732d51dd6a2a2b7acd3dabd18bb82b6dd4c024ae9b8dd84bbe0ec4cf121 |
|---|---|
| Markdown | ed203f496c7d16a6e848c15a21e392a0b719aeb787162ecd3aa98467b928b7c7 |
| Publication page | 0299fefb1cc2bf16468556fa6e1f18f5e254c726eba3526e0451a42a79636957 |
| Manifest | 1149f941693cae762b564ae29fbbe2f0f8a041a457bd55de619269fbf99522c9 |
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 | sSMW7CuTkXl4MMfEIp2AuCuZ2q1R5HUSkvZx5hkg97eMHTMdfBLLCxen0MKt9zqzAnPzanpHEHJPHjDwdkqUDA== |
| 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
| 2026-09-17T12:00:15.916578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380observed 0299fefb1cc2bf16468556fa6e1f18f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:15.900338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380/manifest.jsonobserved 1149f941693cae762b564ae29fbbe2f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:15.883214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380/publication.mdobserved ed203f496c7d16a6e848c15a21e392a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:15.864313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380/publication.txtobserved d50f8732d51dd6a2a2b7acd3dabd18bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.925536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380observed 0299fefb1cc2bf16468556fa6e1f18f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.907795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380/manifest.jsonobserved 1149f941693cae762b564ae29fbbe2f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.889452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380/publication.mdobserved ed203f496c7d16a6e848c15a21e392a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:20.872567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020380/publication.txtobserved d50f8732d51dd6a2a2b7acd3dabd18bb...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. |
|---|