OT-2026-000074025
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000074025) never changes.
Identity and time
| Publication number | OT-2026-000074025 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8f-7635-8579-9167ecfe3262 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074025 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c972b063ffe15367ca41df4d02160a32d97426c6f91c93c3571452d99a9f337 |
|---|---|
| Markdown | 9cafa9ff07031a14f4ced26dd65b2794f0c63d6053718b823b0a861dbd01a0c1 |
| Publication page | 8219cfc4b46208f934edb690de9d2c5cb246c86b63d946c848ea607aec66c66e |
| Manifest | d26ff7e7663b78f63fb766aedc64745e3cb9d9967aac56a03d215cd13727cee1 |
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 | GgFefDGlk+JodTkJftFxgZZZ+ZoYUvUvbptJMTHichGTCWLrDjfIP68OGqAzYqidrkmgRiM5dfhi1DwQUcP9DA== |
| 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... |
|---|
Independent retrieval
| 2026-11-03T00:41:28.796847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025observed 8219cfc4b46208f934edb690de9d2c5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T00:41:28.722048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025/manifest.jsonobserved d26ff7e7663b78f63fb766aedc64745e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:41:28.635894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025/publication.mdobserved 9cafa9ff07031a14f4ced26dd65b2794...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:41:28.550053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025/publication.txtobserved 7c972b063ffe15367ca41df4d02160a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:42:03.489918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025observed 8219cfc4b46208f934edb690de9d2c5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:42:03.426971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025/manifest.jsonobserved d26ff7e7663b78f63fb766aedc64745e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:42:03.279615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025/publication.mdobserved 9cafa9ff07031a14f4ced26dd65b2794...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:42:03.209979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074025/publication.txtobserved 7c972b063ffe15367ca41df4d02160a3...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 |
|---|