OT-2026-000007325
Publication integrity record
Vacuum cup gripper, common isolation valve, ejector fed, pressure verified, contact triggered, polyurethane cups
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-2026-000007325) never changes.
Identity and time
| Publication number | OT-2026-000007325 · never reused |
|---|---|
| Internal UUID | 01a0a97a-bbe4-7686-b617-0dcebab8c135 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:09:48.135732Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007325 |
| Status | PUBLIC |
Content hashes
| Canonical text | d17e97034d988f824c155e883222afad514c9c719899c621b309cc1e30f23e20 |
|---|---|
| Markdown | ea2987ecaa1014781892e18ad638df0e23fd69f78d3195d6b3463d1abf51b6a4 |
| Publication page | ed8c12bdac1481c51cab2b12b52b625acf6e376f945573cba7b0cc5e3fb2da1c |
| Manifest | f0d40596c09dd63b56f41f1fdd1282c51ac065b20d41866351b82458b997630e |
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 | d4n8effog+Exo3wxorGSWZd1hfW/HJMOGM6npe/Q4ueP4jusytmWpokQz0nKLa5IN1mvbpkqj8t+uJtI5vVHDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-10-17T20:41:19.292440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325observed ed8c12bdac1481c51cab2b12b52b625a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T20:41:19.243172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325/manifest.jsonobserved f0d40596c09dd63b56f41f1fdd1282c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:19.194853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325/publication.mdobserved ea2987ecaa1014781892e18ad638df0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T20:41:19.062810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325/publication.txtobserved d17e97034d988f824c155e883222afad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:07.351958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325observed ed8c12bdac1481c51cab2b12b52b625a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:07.097996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325/manifest.jsonobserved f0d40596c09dd63b56f41f1fdd1282c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:06.846670Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325/publication.mdobserved ea2987ecaa1014781892e18ad638df0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:06.581865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007325/publication.txtobserved d17e97034d988f824c155e883222afad...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|