OT-2026-000004673
Publication integrity record
Porous face vacuum gripper, four zone face, per zone isolation, plant vacuum fed, contact triggered
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-2026-000004673) never changes.
Identity and time
| Publication number | OT-2026-000004673 · never reused |
|---|---|
| Internal UUID | 01a0a91f-a7e0-7927-9d4d-2e2a8056e311 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:19.236384Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004673 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6e9105e21cd5dbe14e72e02fba68f9963a8d6d44908b4d54825676cc430636f1 |
|---|---|
| Markdown | d76e4d8debcc064ced1975da80b76f956b27b79f0543e29686e80248bc181039 |
| Publication page | 8623b7ab9ced76adc92451d99afbfb9226d0b1790827024186140792a0237989 |
| Manifest | 0cd27836516351c24bf47aed52651e0949524effa765a5f8d5b70ce1b5ed2001 |
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 | BIuUFdiZ07g0KWKEnJ1iLkNig9bncxYwKk5SyfTg/V+XA4+j2Bcoyakw+9diTbTC6jW8FAVC3dcuyUPM6EeMAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:30.970836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004673observed 8623b7ab9ced76adc92451d99afbfb92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:30.959582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004673/manifest.jsonobserved 0cd27836516351c24bf47aed52651e09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.946229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004673/publication.mdobserved d76e4d8debcc064ced1975da80b76f95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.931474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004673/publication.txtobserved 6e9105e21cd5dbe14e72e02fba68f996...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. |
|---|