OT-2026-000037251
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000037251) never changes.
Identity and time
| Publication number | OT-2026-000037251 · never reused |
|---|---|
| Internal UUID | 01a0ae77-7741-791c-a798-c10d4f07bc10 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:20.049316Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037251 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1bb66026b2df338399d800dfe8022a537f35b4176039d66579855c0779ce391c |
|---|---|
| Markdown | a9067d8911c480a6c5ce51397dde92eabf09f457f13a326c1877de81905628d4 |
| Publication page | 7cc13833529c4a3c2675b92ff15ea09fb07338b60ecea1590d2c336bfb66b070 |
| Manifest | 2f565110fb50c81518b072f5697adf89513f7c8edd0491c54e0cd286575a1378 |
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 | oYYLVReIqXXfekXseqSTnPqMFAqLZCk6zvbBRssXUX8xV4U3OI8Zwl8WDXSkUbMqFxr4fuycDkyedsSHLzDdAQ== |
| 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
| 2026-10-05T20:41:48.920818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251observed 7cc13833529c4a3c2675b92ff15ea09f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T20:41:48.863977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251/manifest.jsonobserved 2f565110fb50c81518b072f5697adf89...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:48.806262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251/publication.mdobserved a9067d8911c480a6c5ce51397dde92ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T20:41:48.715216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251/publication.txtobserved 1bb66026b2df338399d800dfe8022a53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:19.049370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251observed 7cc13833529c4a3c2675b92ff15ea09f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:18.897155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251/manifest.jsonobserved 2f565110fb50c81518b072f5697adf89...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:18.728215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251/publication.mdobserved a9067d8911c480a6c5ce51397dde92ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T20:42:18.432268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037251/publication.txtobserved 1bb66026b2df338399d800dfe8022a53...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 |
|---|