OT-2026-000028883
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000028883) never changes.
Identity and time
| Publication number | OT-2026-000028883 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7d74-9ee9-073e59ecac77 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028883 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43b9daee76bb9a903f0fd24e0061b24da0ffc914d8c4ec162b2221f8faa98656 |
|---|---|
| Markdown | f921db6c8e7af0ef3edf2f1f40f24b9f229e07300b46b87a929d1b8e57ed1347 |
| Publication page | 94be6ee8862f48c1a35102f735c26c0c5b2f1f882d305830521b499b05ee9412 |
| Manifest | 306fa1ab0c1540a127100b2c342fed06f7d34ed20cff055e5079c635061eb0a6 |
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 | Jn/Suz6MwAe9QqPEJEPg4zWkn+Ot7l2UNHDFfhcsb/iRyWZytkCwQkwg0PECGVk2thoGgTFRsXzDjY/IQBvfAA== |
| 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
| 2026-09-17T08:20:14.933593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028883observed 94be6ee8862f48c1a35102f735c26c0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:14.789229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028883/manifest.jsonobserved 306fa1ab0c1540a127100b2c342fed06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.764990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028883/publication.mdobserved f921db6c8e7af0ef3edf2f1f40f24b9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.745669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028883/publication.txtobserved 43b9daee76bb9a903f0fd24e0061b24d...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. |
|---|