OT-2026-000019883
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, 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-2026-000019883) never changes.
Identity and time
| Publication number | OT-2026-000019883 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-77c8-ba04-370ed67996a4 · 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-2026-000019883 |
| Status | PUBLIC |
Content hashes
| Canonical text | 685cffa6ae33c32ab19790a1597be3849a67e328a40037266f64cec707631a50 |
|---|---|
| Markdown | 97fe474bb70d106a60360df4a647be3c01684405d60d762678e25e28821a5e96 |
| Publication page | 929ce08a7fe8efac1a70dcdd69505500f716e52488719a945edb21297d915053 |
| Manifest | 7f07cdeafa0276086d5ab50acc2da153a6221b1863fc8b6825960776c4f2d944 |
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 | nqgU7LCMGFn+U8sBSKbho3S3U/riC1IplppBmooMlCzCYeCMhprMvLm8I7oYNUzPqO0mC/bL8wczKI5MHb+iCw== |
| 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
| 2026-09-17T11:58:05.306428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019883observed 929ce08a7fe8efac1a70dcdd69505500...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.290308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019883/manifest.jsonobserved 7f07cdeafa0276086d5ab50acc2da153...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.273698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019883/publication.mdobserved 97fe474bb70d106a60360df4a647be3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.257968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019883/publication.txtobserved 685cffa6ae33c32ab19790a1597be384...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. |
|---|