OT-2026-000004071
Publication integrity record
Porous face vacuum gripper, four zone face, six 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-2026-000004071) never changes.
Identity and time
| Publication number | OT-2026-000004071 · never reused |
|---|---|
| Internal UUID | 01a0a90e-3b9f-7535-b53e-19105db7335d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:17.410539Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004071 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b0c1fedb6521cbe335c5833cc130d99211769077c6d43994347c18dfb353d3d |
|---|---|
| Markdown | f5ac66f01539208a0f8c6f6a032616f9bb64359b773a28973e043bcd2755b5d1 |
| Publication page | f830c4d3363e47d31e4608102a16d6196e592e0bfc6e23746e7016aa7a6dabca |
| Manifest | 15d160fea9d95b49c2c45729705d201c5eeda07e56bd98fac5ac01fbb56e34e0 |
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 | cy5FlTonSZMbQSRUu5t/uy8gSNPYpzfSITtpG7wS0JJKEuVZNFry+MfT4YfTe24B/sZd7yTpflU5BCseGZJcBg== |
| 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
| 2026-09-16T07:30:35.653600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004071observed f830c4d3363e47d31e4608102a16d619...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:35.638581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004071/manifest.jsonobserved 15d160fea9d95b49c2c45729705d201c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.622563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004071/publication.mdobserved f5ac66f01539208a0f8c6f6a032616f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:35.487811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004071/publication.txtobserved 1b0c1fedb6521cbe335c5833cc130d99...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. |
|---|