OT-2026-000003899
Publication integrity record
Vacuum cup gripper, three 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-2026-000003899) never changes.
Identity and time
| Publication number | OT-2026-000003899 · never reused |
|---|---|
| Internal UUID | 01a0a90b-6661-7ce2-bde6-deb7ea7a1ca2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:11.747496Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003899 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc0a366621a19a70711dc2cbc4148f80bb1f150eabfdd1c43aed7856b5fa7eec |
|---|---|
| Markdown | cf768d58d74f8f04432dd34abf48691ceda8264069f9da659fc028e423c858c0 |
| Publication page | b4f2881ea1d36b5517b65b7790a54740560fbdee18e8c06a90ec1db69d609ab8 |
| Manifest | 389030d987098afaf25875f77dbaf8f3497131be6a29880baa7905607ea1799a |
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 | bbHtg8BoEG1H0fWpMpR8g8NUv5jszszOct5qYJ8ryOPlhp8IA6kqSR3ZuqK4JnVjug0H7nUGhFnnKLbxpAj6DQ== |
| 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
| 2026-09-16T07:10:13.496264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003899observed b4f2881ea1d36b5517b65b7790a54740...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:13.481924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003899/manifest.jsonobserved 389030d987098afaf25875f77dbaf8f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.469125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003899/publication.mdobserved cf768d58d74f8f04432dd34abf48691c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.455274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003899/publication.txtobserved cc0a366621a19a70711dc2cbc4148f80...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. |
|---|