OT-2026-000004574
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two outlet manifold, 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-2026-000004574) never changes.
Identity and time
| Publication number | OT-2026-000004574 · never reused |
|---|---|
| Internal UUID | 01a0a91c-6cb6-70eb-a52e-e0763aa394cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:47.481753Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004574 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9bb2c78d0c46ec4829ed1132a77308f5f0a11ff82d74015e8c7a1dd719e9881b |
|---|---|
| Markdown | de90029e4f886843d91f3a45f6d1a85f6e3330cf1305c2b81a972ff28566b2b5 |
| Publication page | 608dd2ca7d370c944432c6ba35c389efb129d6438bbd016550b2b5a1d62290c3 |
| Manifest | d7c02e2563cf28c0d4efcc9884b08c6b028bcc1c1731967c91fb6b8e2bdb932a |
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 | ricHtW4YV5yNnpj6xgP+RuGk/Fdn3eIB9yayJQqMYP4iQySnw3XiQ64K806P2QFExyue5UajrMI5mu69qwBMBg== |
| 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
| 2026-09-16T07:30:13.377429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004574observed 608dd2ca7d370c944432c6ba35c389ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:13.239747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004574/manifest.jsonobserved d7c02e2563cf28c0d4efcc9884b08c6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.227033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004574/publication.mdobserved de90029e4f886843d91f3a45f6d1a85f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.213596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004574/publication.txtobserved 9bb2c78d0c46ec4829ed1132a77308f5...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. |
|---|