OT-2026-000028921
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down
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-2026-000028921) never changes.
Identity and time
| Publication number | OT-2026-000028921 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7f6e-836e-c720f89963b1 · 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-2026-000028921 |
| Status | PUBLIC |
Content hashes
| Canonical text | f95a55372c22d76b7d8ab52b79ec1e22af685e226c599cef462a65e4b2d15331 |
|---|---|
| Markdown | 9e71b2374fc1a6e3e5fa7be18aec091ee70a54afe0572ffae2437e67bbbcc2dd |
| Publication page | 5ab2bdd2e8aec7a5ce91c99d5b93f3ec0a7c574d8c161ab5f6695663e8b952ff |
| Manifest | 5070433d5486619c6beb177e3f4b990fcda1b0e11b993969096fdac3f8d3b05d |
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 | XBaxX8rQvyyho+BW2Kmg0oxFKQ0fLGSUPWpg8D5ouOI5Wt+DatOKTsisISao+USzfjZpKTDQBBn+pI3EhgOVCQ== |
| 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
| 2026-09-17T08:20:20.712488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028921observed 5ab2bdd2e8aec7a5ce91c99d5b93f3ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:20.695288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028921/manifest.jsonobserved 5070433d5486619c6beb177e3f4b990f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.675748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028921/publication.mdobserved 9e71b2374fc1a6e3e5fa7be18aec091e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.532964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028921/publication.txtobserved f95a55372c22d76b7d8ab52b79ec1e22...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. |
|---|