OT-2026-000056158
Publication integrity record
Foam pad vacuum gripper, 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-2026-000056158) never changes.
Identity and time
| Publication number | OT-2026-000056158 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-78b1-9f6c-960e729dd795 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056158 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61946facb19dd347b38488018f4e4c21b63427873210e0dabf9e7b970c76a011 |
|---|---|
| Markdown | 7079da5ae391cfdaf13029d3fa56bfbf3a4ce8bd03a6665ee1a27ff626abaae3 |
| Publication page | 74a1aae8d2c538f3669a378b02d9dd3e67459073db3db914a27970b42daa3b11 |
| Manifest | 2dc910fde9fa38343e29229e83f223aedcb963e6731aa7abd0fe56fd886159a1 |
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 | wvetKQZSgiZQp6kvUs16Cgdf/tIJ+vwpV/lbf6xUVKZvf5iG/+w1zR8+W57pcJ6+Zf80jQRvCW+5x0Hf+JfWCA== |
| 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
| 2026-10-22T16:41:15.087191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158observed 74a1aae8d2c538f3669a378b02d9dd3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T16:41:15.034822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158/manifest.jsonobserved 2dc910fde9fa38343e29229e83f223ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:14.964299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158/publication.mdobserved 7079da5ae391cfdaf13029d3fa56bfbf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:41:14.866364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158/publication.txtobserved 61946facb19dd347b38488018f4e4c21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:17.609455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158observed 74a1aae8d2c538f3669a378b02d9dd3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:17.550389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158/manifest.jsonobserved 2dc910fde9fa38343e29229e83f223ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:17.498890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158/publication.mdobserved 7079da5ae391cfdaf13029d3fa56bfbf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:17.386441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056158/publication.txtobserved 61946facb19dd347b38488018f4e4c21...fetched by grabo-systems from 34.44.131.203, 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 |
|---|