OT-2026-000004561
Publication integrity record
Vacuum cup gripper, common isolation valve, plant vacuum fed, pressure verified
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-2026-000004561) never changes.
Identity and time
| Publication number | OT-2026-000004561 · never reused |
|---|---|
| Internal UUID | 01a0a91c-020f-726e-b98a-b84cc756d3c6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:20.178360Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004561 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed30b80d2bc05564d02ad2601d8fc31ab23cb01179b5a591ce790086a1d30b58 |
|---|---|
| Markdown | 5272bd7b356e5a85f7b542ee731ffbb6698134788cebc6ae65e7a965056fbb2b |
| Publication page | aa44007ffd155765c407171affeb6ac0be517ffb86c2c2cbc7da9fb8c17769b5 |
| Manifest | 7a92893a0b8621e931014cc19114605887b9a34e59e598ea795015f4c33bcc3f |
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 | 3eQZtXNhfbN4xq50mWo/6hg+ScIcrPlYGvZyVTlzMNcJDqpC4U4rYCtRNlbHk22J2qf5JBVnPVrSMhB0fFIkBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:14.662016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004561observed aa44007ffd155765c407171affeb6ac0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:14.649609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004561/manifest.jsonobserved 7a92893a0b8621e931014cc191146058...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.636410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004561/publication.mdobserved 5272bd7b356e5a85f7b542ee731ffbb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.622571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004561/publication.txtobserved ed30b80d2bc05564d02ad2601d8fc31a...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. |
|---|