OT-2026-000003731
Publication integrity record
Porous face vacuum gripper, common isolation valve, six outlet manifold, pump 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-2026-000003731) never changes.
Identity and time
| Publication number | OT-2026-000003731 · never reused |
|---|---|
| Internal UUID | 01a0a90a-e404-7d7c-bbb6-8e2a736bbb7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:38.375240Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003731 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c179a683bc342852ef4de8b14ccb60ab0a4a8a1702c9c31459f7e1a204982be |
|---|---|
| Markdown | 7124b84138b4cce043ebab93c8eedcd1b1733c22e1820f60e858ec7498fc348f |
| Publication page | e40a6f51ad928736440b61c455249abf52e0a6cd94556a7007aa15098e3c0e1a |
| Manifest | 5892ac81922cf04c3abf0532c938f17d023c4f7bacee382715508fddb9364b59 |
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 | T+ZMz3wVUb/jgy8Syy0FTBDXjRdTXCyQZgoWDLwdTUkssOfhdyq8nHzd4+KfswZqMfNgt08SU9k3WecFP2ezBQ== |
| 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
| 2026-09-16T07:50:34.238163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003731observed e40a6f51ad928736440b61c455249abf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:34.191406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003731/manifest.jsonobserved 5892ac81922cf04c3abf0532c938f17d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:34.178940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003731/publication.mdobserved 7124b84138b4cce043ebab93c8eedcd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:34.164806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003731/publication.txtobserved 3c179a683bc342852ef4de8b14ccb60a...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. |
|---|