OT-2026-000004449
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, four outlet manifold, ejector fed
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-2026-000004449) never changes.
Identity and time
| Publication number | OT-2026-000004449 · never reused |
|---|---|
| Internal UUID | 01a0a918-1f1e-737a-83bd-ddad7e131c48 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:05.473976Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004449 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9fb5d8e917cc622737225caf04172b727200563961b81d76a8c6dbb009a6448 |
|---|---|
| Markdown | c27597740552d88e5c63a6163f473eea569d52449e66ef097c88bec002a8c728 |
| Publication page | 703845e400ca24b3af760c24373b943d157c917d7cb8b7fff320dda44f6c0069 |
| Manifest | 1c836eb46b80a6482ebef41e0a5ca8e177368c1d45181e50128b33c84b6d7cc0 |
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 | HcImML6FJOERW9LKwPeMeb2KKbHwikjutL/NkZNlNfGp6dzSYNyvvEKt5WUwKcpucrHd0VDSaKdyQQc2bKjlDA== |
| 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
| 2026-09-16T07:30:26.385972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004449observed 703845e400ca24b3af760c24373b943d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:26.370406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004449/manifest.jsonobserved 1c836eb46b80a6482ebef41e0a5ca8e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.230725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004449/publication.mdobserved c27597740552d88e5c63a6163f473eea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:26.215207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004449/publication.txtobserved c9fb5d8e917cc622737225caf04172b7...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. |
|---|