OT-2026-000004554
Publication integrity record
Porous face vacuum gripper, four zone face, ejector fed, contact triggered, vented after set down
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-2026-000004554) never changes.
Identity and time
| Publication number | OT-2026-000004554 · never reused |
|---|---|
| Internal UUID | 01a0a91b-cb2d-7f9e-8596-c8e70485f66f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:06.128418Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004554 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6acdc900b69f016ca59492f8fd6723cc889b7f82f9dfbd14ce43239365d88cba |
|---|---|
| Markdown | 8b048cc4aa94b384da807fbb685cf981c19af270a1c7283b0210c55b73b25109 |
| Publication page | 3d4601c85b9a42cc50bde107de101d00ab6b58663f97c4bdf37f33c3265c4ce4 |
| Manifest | 51fa9cd5d5a28e3ecfbce7cf272bb9ec63cbf194fa09a5669deddced827ddd14 |
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 | ChfAAAkDB3iZFR/EZqpSFVRWJXdoOhqGH6H6vuL/9+33lxkEgu1GD1x+U8Xo2ftA1FqVobMrzrdvH9aUTZAjDA== |
| 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
| 2026-09-16T07:30:15.394198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004554observed 3d4601c85b9a42cc50bde107de101d00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:15.383692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004554/manifest.jsonobserved 51fa9cd5d5a28e3ecfbce7cf272bb9ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.370946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004554/publication.mdobserved 8b048cc4aa94b384da807fbb685cf981...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.234919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004554/publication.txtobserved 6acdc900b69f016ca59492f8fd6723cc...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. |
|---|