OT-2026-000072442
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
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-2026-000072442) never changes.
Identity and time
| Publication number | OT-2026-000072442 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d7-7a25-be89-54d8ffafa22e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072442 |
| Status | PUBLIC |
Content hashes
| Canonical text | a769a6e54bc9d961e235a8051dd9ae252948135138fc842f9464233ff21a1307 |
|---|---|
| Markdown | a74fdedeecc789254f8952147e15577aab955ea5564e21d8ed2050965c712ede |
| Publication page | dda215b8d0693abc35b5008a6fd07c7e9c7c0fe59359bfa76ade8fb1e11f7de9 |
| Manifest | efb54759cb1d5d6313962796c7caf3df6835cdae4893f445cb2b8b5e9ab99d38 |
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 | IdZGrt3lwq+xn5GmXAvXZKRb64JzdaZL1ithsHV2DBrVsgcWyU09SedhyjOKbF6takpCseDmeKa74PvgXxUOCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:22:15.705297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072442observed dda215b8d0693abc35b5008a6fd07c7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:15.684067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072442/manifest.jsonobserved efb54759cb1d5d6313962796c7caf3df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:15.662990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072442/publication.mdobserved a74fdedeecc789254f8952147e15577a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:15.641045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072442/publication.txtobserved a769a6e54bc9d961e235a8051dd9ae25...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. |
|---|