OT-2026-000074102
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000074102) never changes.
Identity and time
| Publication number | OT-2026-000074102 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7f95-b3a7-44c91607ac80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074102 |
| Status | PUBLIC |
Content hashes
| Canonical text | d14c6e7804ac6bbb01e09c6eeb45f014382002765dcecbf6c8fb2d51e4b315cf |
|---|---|
| Markdown | 33c7b3c173f52ab338f6f4e446d14f2fff6bc33e62557acddeab8e503ee387af |
| Publication page | a5807c589ad3c3ad5731c4cc23ba6198f68ac33a9082c8ae1181d9c5c6876eee |
| Manifest | a8736369ec06519c3c976238c972a6578ec5e4c0cb2f9f5cb2e8ebf585d3c983 |
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 | GOzQQCEt4eL057s7FonfYPwIZJF0g8DMgBY/vBWEcP09aQcHwYO5HYl75OMabPirMXOcmgsQFCty7p3CkFm6Ag== |
| 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
| 2026-09-17T10:21:00.750226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074102observed a5807c589ad3c3ad5731c4cc23ba6198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:00.729755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074102/manifest.jsonobserved a8736369ec06519c3c976238c972a657...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:00.710344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074102/publication.mdobserved 33c7b3c173f52ab338f6f4e446d14f2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:00.689575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074102/publication.txtobserved d14c6e7804ac6bbb01e09c6eeb45f014...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. |
|---|