OT-2026-000071947
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, 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-2026-000071947) never changes.
Identity and time
| Publication number | OT-2026-000071947 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c0-72f1-b43e-c7570b46deec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071947 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5f90fa04e22ff325f21e18ff670fa23dc3db4846eb7363b7cb06b8bd3a33605 |
|---|---|
| Markdown | c38ce7fbb4c2da87745714e3eb2c304f57fecf842e5cbd1942c7e1cd58320fb7 |
| Publication page | 820e9d4b9a5773699cdc4810339d1f67f58ef57996dda886231298df0e23ccf6 |
| Manifest | cd646a3c4dedf33b2f54ed957e72edaeb28ee1c8969a307817ec910ee87bbff0 |
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 | 2E9RHg0RjEbSRt1hLkbxhRVTkgjwlcjW5C9qh5b2Jf12tGG3R6YdouGusEcpB1DB8DFQ/Z6CBBqn2fpAemnwCg== |
| 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
| 2026-10-16T04:41:55.135691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947observed 820e9d4b9a5773699cdc4810339d1f67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:41:55.071173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947/manifest.jsonobserved cd646a3c4dedf33b2f54ed957e72edae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:54.954017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947/publication.mdobserved c38ce7fbb4c2da87745714e3eb2c304f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:54.841131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947/publication.txtobserved f5f90fa04e22ff325f21e18ff670fa23...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:38.076932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947observed 820e9d4b9a5773699cdc4810339d1f67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:38.011511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947/manifest.jsonobserved cd646a3c4dedf33b2f54ed957e72edae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:37.940127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947/publication.mdobserved c38ce7fbb4c2da87745714e3eb2c304f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:37.826971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071947/publication.txtobserved f5f90fa04e22ff325f21e18ff670fa23...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 |
|---|