OT-2026-000053575
Publication integrity record
Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000053575) never changes.
Identity and time
| Publication number | OT-2026-000053575 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a93-7f80-ab82-c583c865678e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053575 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9481b3897bfd4e8032ed3ea666d77e96ce31a1c64fd4d7d159fc445a6bc0385 |
|---|---|
| Markdown | 6c89edb4efd947f55b8c33b05de373ab78f816e3f88895e74cb7d84d1743ab25 |
| Publication page | 44b5a9bc5419d3271e305bfbaca202b1cc2496c1778dd05d9448c3ac302f40b3 |
| Manifest | 9d746338461e291e5b70430671d301a84c6bebd10c0fc9c4e65ed7a33a9f6a50 |
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 | +06ls3I3PKWx5JBNeTXGxTktS7NGUw6E5/EA0Gd8vz5NUg/IU72bIqVoRsEkvC/4vxopDNSacaiulH2kbFTNAQ== |
| 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
| 2026-09-17T10:55:26.392135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053575observed 44b5a9bc5419d3271e305bfbaca202b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:26.374721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053575/manifest.jsonobserved 9d746338461e291e5b70430671d301a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:26.357322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053575/publication.mdobserved 6c89edb4efd947f55b8c33b05de373ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:26.338964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053575/publication.txtobserved f9481b3897bfd4e8032ed3ea666d77e9...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
| 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 |
|---|