OT-2026-000003997
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000003997) never changes.
Identity and time
| Publication number | OT-2026-000003997 · never reused |
|---|---|
| Internal UUID | 01a0a90c-9106-7149-ad44-40fc79c42e2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:28.201085Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003997 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49a3e79a809c0c49db72d665c5891cfeb214be524ec7caa6fb0b1a4da035e950 |
|---|---|
| Markdown | 597611f19d1f9e45b0ed6793ed2c22b7fb0ae63436a383f46d88fef2968a27da |
| Publication page | b71d09dfc8e19c38285807cf02e10d9e64004375f841880d6cb5f2c206f79596 |
| Manifest | 3c7bb2dfa00970f2ad87160851ec94176f83f16250dc4d01885cd85cd523e8d1 |
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 | uxhbq1fcZIe8BWZB1onnXKwXNGPk0adv/idYfV080LeW8a1+YJTjBTdeLXea6nWVKnFSKlv6dt2a9fMrc21PCQ== |
| 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
| 2026-09-16T07:10:07.353893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003997observed b71d09dfc8e19c38285807cf02e10d9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.339723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003997/manifest.jsonobserved 3c7bb2dfa00970f2ad87160851ec9417...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.325938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003997/publication.mdobserved 597611f19d1f9e45b0ed6793ed2c22b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.312399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003997/publication.txtobserved 49a3e79a809c0c49db72d665c5891cfe...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. |
|---|