OT-2026-000019991
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000019991) never changes.
Identity and time
| Publication number | OT-2026-000019991 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7aef-86fc-40adc777ca0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6821f8631dbd71a0b5ab047fe0da9f23c3b377bf35fe744625595548438ba39b |
|---|---|
| Markdown | 386cf0ed616e6499d3dc77e2bb0e4f90ab6cca8938c2feeba02051c265815f22 |
| Publication page | 3a2c502055e1467949bcb82f70eab08e4a92bec562bc8ea9b0b98246341cd3de |
| Manifest | f2c6ad20a3badd079621c2db9b5870a6dfd3639c10ae40e5b4ef0a0528334daf |
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 | daAesjJ+wJlJJMSRZLS0uTFXZxsRKhFObyDuTarBPuhy00wwVX3LE9Ceti/+PBV0SWZpepNkmABZBS4GmK7yAw== |
| 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
| 2026-09-17T11:58:14.044595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019991observed 3a2c502055e1467949bcb82f70eab08e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:14.025968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019991/manifest.jsonobserved f2c6ad20a3badd079621c2db9b5870a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:14.006861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019991/publication.mdobserved 386cf0ed616e6499d3dc77e2bb0e4f90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:13.985674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019991/publication.txtobserved 6821f8631dbd71a0b5ab047fe0da9f23...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. |
|---|