OT-2026-000074437
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four 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-2026-000074437) never changes.
Identity and time
| Publication number | OT-2026-000074437 · never reused |
|---|---|
| Internal UUID | 01a0ae93-717a-76e3-8816-c4080ff8ea44 · 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-2026-000074437 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef7fecdfea70a2ea4b04b30035b8bbe660f574b7238b8516f42d3bf21a8475bc |
|---|---|
| Markdown | 4797d947aa591c6966feda744eb25d6c544254e5ff9aeece916d85efe36b9901 |
| Publication page | e53524b7273c58c816260f8b64ca49e8d0932e4b4715ed3a998db0ecf3cdf179 |
| Manifest | 879b46f907b37ad242e3e4108562e9492afa49191194c4db3184347cf0b1bb52 |
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 | TmN59OyBe3WLVMVgRVAW18MOU6bDhRq0pycnVq16PcdEv/ny9jGXcvb92DrkVhEOxOlVDXYrh8Q5FkiYqkAFAQ== |
| 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
| 2026-11-03T00:42:29.090212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437observed e53524b7273c58c816260f8b64ca49e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T00:42:28.850228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437/manifest.jsonobserved 879b46f907b37ad242e3e4108562e949...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:42:28.730030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437/publication.mdobserved 4797d947aa591c6966feda744eb25d6c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:42:28.609931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437/publication.txtobserved ef7fecdfea70a2ea4b04b30035b8bbe6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:57.800338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437observed e53524b7273c58c816260f8b64ca49e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:57.728078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437/manifest.jsonobserved 879b46f907b37ad242e3e4108562e949...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:57.637836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437/publication.mdobserved 4797d947aa591c6966feda744eb25d6c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T16:41:57.544958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074437/publication.txtobserved ef7fecdfea70a2ea4b04b30035b8bbe6...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 |
|---|