OT-2026-000038814
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000038814) never changes.
Identity and time
| Publication number | OT-2026-000038814 · never reused |
|---|---|
| Internal UUID | 01a0ae78-769f-7a13-97ba-852c0581e33a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:25.422407Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038814 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0d22be3ff174a4787696055fad8cacc791c842f2b90738346e6c6c5174172f7 |
|---|---|
| Markdown | 7cda99d48b4d40cc031ba5d2274cb71eb60d45411f281d5b95f364592bb3c470 |
| Publication page | fac4aae945423554d3799ea64ecda4358d9eb2bb989f281289a008f72b91fd73 |
| Manifest | 511eb075637e58529fb20d5a035c29e40847ffb9b42cfa14ad12625ff1cb1032 |
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 | 8I4SRVI2ghxMfpJfd4hkmuE3MiAL0/y60zMdl2Gr5MDpJJ7HwWZ7LzOOyUG5g8w0RRqztyUGhPgEVJyJf4tfBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-11-03T08:41:13.188756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814observed fac4aae945423554d3799ea64ecda435...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T08:41:13.140457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814/manifest.jsonobserved 511eb075637e58529fb20d5a035c29e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:13.067803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814/publication.mdobserved 7cda99d48b4d40cc031ba5d2274cb71e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:13.004910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814/publication.txtobserved c0d22be3ff174a4787696055fad8cacc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:15.106022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814observed fac4aae945423554d3799ea64ecda435...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:15.042537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814/manifest.jsonobserved 511eb075637e58529fb20d5a035c29e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:14.985285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814/publication.mdobserved 7cda99d48b4d40cc031ba5d2274cb71e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:14.885496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038814/publication.txtobserved c0d22be3ff174a4787696055fad8cacc...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 |
|---|