OT-2026-000074730
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000074730) never changes.
Identity and time
| Publication number | OT-2026-000074730 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2b-79d1-8648-edfb84ece707 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074730 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7010e50e6121655ed46b84c2e7cb78e56468c9f73e1ebae96a309fd52c0797f |
|---|---|
| Markdown | 7da9ff8e5f629870b7f993ccf7cef43f01ef2d1d3962e0f7a0f66cc70253414d |
| Publication page | caf8780d3676732633750e0dfb2aff86fdc92e8aa7fdcc20f61c9a693d0bfe90 |
| Manifest | f6677578ca8f9beb14c8c2e3ca9ce649e1623fb232f1231ffceeefb501c618f5 |
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 | bRC+yDU6gULxsTTVOCQ/u8lSQQpQVTPz61HlrAC6PumV5Cm6sjWSm2JQ2wG1d4qdI6dW6CG6Gkel79XXwCD+Aw== |
| 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
| 2026-09-17T10:18:19.819486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074730observed caf8780d3676732633750e0dfb2aff86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:19.803406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074730/manifest.jsonobserved f6677578ca8f9beb14c8c2e3ca9ce649...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:19.785315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074730/publication.mdobserved 7da9ff8e5f629870b7f993ccf7cef43f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:19.767949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074730/publication.txtobserved b7010e50e6121655ed46b84c2e7cb78e...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. |
|---|