OT-2026-000019483
Publication integrity record
Two cup vacuum gripper, two 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-2026-000019483) never changes.
Identity and time
| Publication number | OT-2026-000019483 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7e6d-a465-89f9f9db77d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019483 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0479ac1eba5819c63240d93c1ccf479a20ff3e0307d8212cdc4c36ce2cdb9ac5 |
|---|---|
| Markdown | 0941b79e1d3c7fbaa66a3963e8572432151badc62de991feba4df752883b671e |
| Publication page | 60af719421e3a16f5fe0fb857ce2c799fd24e12766aea3b4c251833c84c0b2cb |
| Manifest | 888d296041041594146f01fca869293569f6a72b38625db9101a83f5b943b9c6 |
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 | JBm2r15zbx2mDNtHRL4qm2ElKzr0T0mjTfAysdiQrfUHCrNNi4Bvuf/9wxwChXKivOa28MDEpTaaNQRqMpDRCQ== |
| 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
| 2026-09-17T11:58:54.374189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019483observed 60af719421e3a16f5fe0fb857ce2c799...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:54.349243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019483/manifest.jsonobserved 888d296041041594146f01fca8692935...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:54.252572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019483/publication.mdobserved 0941b79e1d3c7fbaa66a3963e8572432...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:54.233636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019483/publication.txtobserved 0479ac1eba5819c63240d93c1ccf479a...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. |
|---|