OT-2026-000019975
Publication integrity record
Four cup vacuum gripper, four zone face, single 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-2026-000019975) never changes.
Identity and time
| Publication number | OT-2026-000019975 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7172-a96a-59c05904236a · 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-2026-000019975 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ba805d25045189dbfc9ad7e47b82e76315f62b21e28eb6ea760e25f8bafc8ee |
|---|---|
| Markdown | 8190e3a336eb5b75cec53a1b157214b3876a8a6e4e079108631700dcc7c81a4f |
| Publication page | c5610621706ad1f8feeebd60aa2d9cfe744b1f45d62c1bae8f4503c30ac191c8 |
| Manifest | 18a3c575baa2cb3a1ad45ede2b87a97b589c7a4ea513b4644e360134e8541fc6 |
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 | tvfmF4U+Nq6zYk4mQcHtbONDqTirMs/NDgdIYiFmeOMPX2qdUi+P4+k93m5RiJKWMEeVHVVbbQx828DmBGeiBA== |
| 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
| 2026-09-17T11:58:12.775776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019975observed c5610621706ad1f8feeebd60aa2d9cfe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:12.745767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019975/manifest.jsonobserved 18a3c575baa2cb3a1ad45ede2b87a97b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:12.726508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019975/publication.mdobserved 8190e3a336eb5b75cec53a1b157214b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:12.709039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019975/publication.txtobserved 8ba805d25045189dbfc9ad7e47b82e76...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. |
|---|