OT-2026-000003982
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, pump fed
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-2026-000003982) never changes.
Identity and time
| Publication number | OT-2026-000003982 · never reused |
|---|---|
| Internal UUID | 01a0a90c-628a-7a93-8cd0-6eb6e3ca4876 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:16.301921Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003982 |
| Status | PUBLIC |
Content hashes
| Canonical text | 247e64b94fe38df6ee4e6a053bd1e991a091557f079067f292d55f58b338c22e |
|---|---|
| Markdown | 4ba87383c59bcbf26da3c3349a4bd45d4c17d51da7b15a8df58ce8be66707df3 |
| Publication page | 4b8e2d318d03513c980aefeb4c6b4bce2cd50f3c78e859a1336e9f33239d0365 |
| Manifest | 43e0a44181cdf97ef5aa1d05aab9ce01b603b07354ce206f0f58cbc5c7de6ed9 |
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 | 1jtGC6PeofGoQTaYrzQ7wQmKnP0cr/NBS6z3HcgIebm6kvhqnlzq3V1P3GiidwsXJ2UGhuRyRv/h06Sq0b67Dg== |
| 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
| 2026-09-16T07:10:08.358837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003982observed 4b8e2d318d03513c980aefeb4c6b4bce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:08.343844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003982/manifest.jsonobserved 43e0a44181cdf97ef5aa1d05aab9ce01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.325549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003982/publication.mdobserved 4ba87383c59bcbf26da3c3349a4bd45d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.311669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003982/publication.txtobserved 247e64b94fe38df6ee4e6a053bd1e991...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. |
|---|