OT-2026-000042880
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000042880) never changes.
Identity and time
| Publication number | OT-2026-000042880 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-76d7-91bb-542e27017697 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d3321b6e87c2da8a8dcd52708079ebe45acff70fdbae5dd6f6fbbbdca825abb |
|---|---|
| Markdown | 2cd324a238af555a5d2399bcd8e3eca4d5bbf97adca2835f0f0967d762e21257 |
| Publication page | a7f7d4394f750fa9383fa2281c4b8f491e38e58688f17b2cd8dc69b623f17948 |
| Manifest | 593a4a7d2c21899a64a480bd447749815ec8ad84f7adfd1b4e9c24c22534ca29 |
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 | K2VV0Sk6neebQGikxJ+PYwNzdHXug3T1RemtuOzx8iX12bZZxLXUk9Qf9V3oKOyLgWALd43+N+hi7fuz6qtDAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:15:22.771109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042880observed a7f7d4394f750fa9383fa2281c4b8f49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:22.749840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042880/manifest.jsonobserved 593a4a7d2c21899a64a480bd44774981...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:22.728561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042880/publication.mdobserved 2cd324a238af555a5d2399bcd8e3eca4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:22.708560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042880/publication.txtobserved 0d3321b6e87c2da8a8dcd52708079ebe...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. |
|---|