OT-2026-000052948
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000052948) never changes.
Identity and time
| Publication number | OT-2026-000052948 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7065-a0e1-0c29d781ee46 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052948 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10902625ed6d3e2dc57905cc24f7d83be82362f4285a36824124e40730daa91e |
|---|---|
| Markdown | 3684a93f20a46a05ce7da36de19f0ef8a1bf7009ccce85495e97b2449f742d67 |
| Publication page | 86e7d2a0aaf91c72a042e0a69604846902791ad6fdb2cf5b4597c9940f55c38d |
| Manifest | 522a0cfe1eec3c248e5ea6dc0d02a404736eb5eb356e4c317204468c90e42673 |
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 | VThhdRavGS44pVKFSvu1V5tgBXiDsbJ96j/7VLqMJtJN48bKhd7M2fF0dsmgn/d+2IF7FWKGib1jIxHpDoosDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:37.803709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052948observed 86e7d2a0aaf91c72a042e0a696048469...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:37.787121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052948/manifest.jsonobserved 522a0cfe1eec3c248e5ea6dc0d02a404...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:37.769084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052948/publication.mdobserved 3684a93f20a46a05ce7da36de19f0ef8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:37.750915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052948/publication.txtobserved 10902625ed6d3e2dc57905cc24f7d83b...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. |
|---|