OT-2026-000038850
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single 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-2026-000038850) never changes.
Identity and time
| Publication number | OT-2026-000038850 · never reused |
|---|---|
| Internal UUID | 01a0ae78-769f-7e34-bfa4-70e5fff0be4f · 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-2026-000038850 |
| Status | PUBLIC |
Content hashes
| Canonical text | e80c83d17777a27baa6798f9cc9fb9d4b45b9feff87b44ba18044c3ce9b0259a |
|---|---|
| Markdown | 1eb80a7bed0861cc2385c187530d9a24c68d9c83f81a4137f223fb38ed6854c0 |
| Publication page | adaa524011a1548f06db66333c48cb288f5a11a5a831908ed6bace88c192d444 |
| Manifest | fef348a24012edfd0a06352f767dbfaeb79cbedeb9d320ecf8d47947489b429f |
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 | 6pDeWPOQQrP4GXWKTBSq4qvnEBubKlBFGSlU7NFM9hguPz0Jac9uufSsav9/eig27YIJAa8lTUCT5iKcJ5S6BQ== |
| 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... |
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Independent retrieval
| 2026-10-09T16:41:50.362241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850observed adaa524011a1548f06db66333c48cb28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T16:41:50.255481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850/manifest.jsonobserved fef348a24012edfd0a06352f767dbfae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:50.159366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850/publication.mdobserved 1eb80a7bed0861cc2385c187530d9a24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:41:50.074577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850/publication.txtobserved e80c83d17777a27baa6798f9cc9fb9d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:18.554586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850observed adaa524011a1548f06db66333c48cb28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:18.495848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850/manifest.jsonobserved fef348a24012edfd0a06352f767dbfae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:18.436042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850/publication.mdobserved 1eb80a7bed0861cc2385c187530d9a24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:18.328252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038850/publication.txtobserved e80c83d17777a27baa6798f9cc9fb9d4...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 |
|---|