OT-2026-000077112
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000077112) never changes.
Identity and time
| Publication number | OT-2026-000077112 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-77c0-bd73-8b6cebe9aa50 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077112 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38a70f79dab4539fbfa3a1aaf8b976c27f2d1ac3b82db4933cea2f9643c22266 |
|---|---|
| Markdown | 4c570d0bdacb0f22d2e17c70e7ff5d3070cad48b9e2b27c54f6c37bdf6abdd92 |
| Publication page | 5c8f23367ff844cfa54176e5e72bce11be39b5e641eb0f16def11da71e5442a3 |
| Manifest | c887ef282f196f795e9c7cb4272cfc97df196c505ed35e5b4d088ed4e8c180cf |
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 | roWNy1r0yZo/23X4MtYcGQq/rhuOl/RMRFDkP9o0g3Es1IltRt2FqietqldogciwNzGUqjDhoY5B2LRS9R7oDw== |
| 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
| 2026-10-16T12:41:51.566578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112observed 5c8f23367ff844cfa54176e5e72bce11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T12:41:51.515333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112/manifest.jsonobserved c887ef282f196f795e9c7cb4272cfc97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:51.432033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112/publication.mdobserved 4c570d0bdacb0f22d2e17c70e7ff5d30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:51.341951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112/publication.txtobserved 38a70f79dab4539fbfa3a1aaf8b976c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:48.069816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112observed 5c8f23367ff844cfa54176e5e72bce11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:47.950298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112/manifest.jsonobserved c887ef282f196f795e9c7cb4272cfc97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:47.757038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112/publication.mdobserved 4c570d0bdacb0f22d2e17c70e7ff5d30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:47.479965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077112/publication.txtobserved 38a70f79dab4539fbfa3a1aaf8b976c2...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 |
|---|