OT-2026-000074491
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074491) never changes.
Identity and time
| Publication number | OT-2026-000074491 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717a-7a3f-9745-5127ab855ba1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074491 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10b02ee5c8db7e07b6176aa819be475412690db7f22486ff5404a374ce50bff4 |
|---|---|
| Markdown | ce0ac92834f134a82611de7cb34f238528aa117cb029f2969f25a3719c8b5128 |
| Publication page | 345b2e11e54b473f6a6069e6c5e6a288ea89474dda5a730585daf4f29304640b |
| Manifest | 5920d299289289532f320548f9fdb1dce40e707cfe6294ffde24d90c5699c10b |
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 | VBZve4XJzeL2jElR6Lv6nprGtMc41eW5ogSkNtM4DI/lTmyg1Ym5T00RZSOSLKCMV+gBEinI7xGv3ksgLSSGBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-20T04:41:48.307475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491observed 345b2e11e54b473f6a6069e6c5e6a288...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:41:48.254841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491/manifest.jsonobserved 5920d299289289532f320548f9fdb1dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:48.200943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491/publication.mdobserved ce0ac92834f134a82611de7cb34f2385...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:41:48.139086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491/publication.txtobserved 10b02ee5c8db7e07b6176aa819be4754...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:02.814419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491observed 345b2e11e54b473f6a6069e6c5e6a288...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:02.686995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491/manifest.jsonobserved 5920d299289289532f320548f9fdb1dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:02.551215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491/publication.mdobserved ce0ac92834f134a82611de7cb34f2385...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:02.420804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074491/publication.txtobserved 10b02ee5c8db7e07b6176aa819be4754...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 |
|---|