OT-2026-000080515
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained 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-2026-000080515) never changes.
Identity and time
| Publication number | OT-2026-000080515 · never reused |
|---|---|
| Internal UUID | 01a0ae96-7e78-77e9-a658-836caa9dec22 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:13.512436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47a1b4f95673f1683664ea1170664c960b514fd97df7f1c924d24cafcedba69e |
|---|---|
| Markdown | 8d446380d7129ee63091704823ef3b2d03aa1617e3ddb4bc379e4a09cf065a4c |
| Publication page | 10e0a1fd435235b612bcaaeda4dbbbf13421b948eaef539d7b7c036d76daaac7 |
| Manifest | 84a6e62d0685419dc70f4a160b95c8be0956ed809749ec6d3119fa7d0bbebb89 |
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 | 8w5FObu0xz/mttbk+S0IxXrXDz9NX0gJ+WTlLcySKS4s+r6SA0QsbRBL4Yy+XmBxlWf/dxXhmCQAHijHTk4/BA== |
| 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
| 2026-09-17T10:03:02.228970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080515observed 10e0a1fd435235b612bcaaeda4dbbbf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:03:02.210394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080515/manifest.jsonobserved 84a6e62d0685419dc70f4a160b95c8be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:03:02.192325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080515/publication.mdobserved 8d446380d7129ee63091704823ef3b2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:03:02.173237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080515/publication.txtobserved 47a1b4f95673f1683664ea1170664c96...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|