OT-2026-000007144
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, ejector fed, closed cell
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-2026-000007144) never changes.
Identity and time
| Publication number | OT-2026-000007144 · never reused |
|---|---|
| Internal UUID | 01a0a974-3d25-74b2-ad3e-d75592da19e6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:02:42.472062Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007144 |
| Status | PUBLIC |
Content hashes
| Canonical text | a39013cb6154855f84ff6a2b454e9d7f02f4f2807ac80ba420848d7c2f89ccd2 |
|---|---|
| Markdown | 72557f512642d2c5f08b7145da697d27bd19dc133408118b56eee0892ad53a8a |
| Publication page | c79260c9c9b155072e9e051001edf1c3776d6e7196d6f4ac554277933181ab8a |
| Manifest | 2339cedf04a79888e7637c1bccf985d2689bcc577110bfd359a220d1a97d48fe |
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 | IgHZi8yYSZOT9j6Mih7Wj5RCiTFu+V39bTcoYpMDdrAcv7ifh9e6twZi4fXnMjc7Tox1Bu6vhsET8jZv4H/mDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:22.252479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007144observed c79260c9c9b155072e9e051001edf1c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:22.240056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007144/manifest.jsonobserved 2339cedf04a79888e7637c1bccf985d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:22.228390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007144/publication.mdobserved 72557f512642d2c5f08b7145da697d27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:22.214820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007144/publication.txtobserved a39013cb6154855f84ff6a2b454e9d7f...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. |
|---|