OT-2026-000021298
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000021298) never changes.
Identity and time
| Publication number | OT-2026-000021298 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-733c-87f8-696e80cf68ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021298 |
| Status | PUBLIC |
Content hashes
| Canonical text | a59e39d44ff1a3c2d789034e5b13bb5d4439cf4d439da9daab094c05cfa36c14 |
|---|---|
| Markdown | 89fa0d425b8bc9f141fa2d9f5a4f3774a6ced6481aa1dace9b41cb7dfc3657c9 |
| Publication page | 7b2760b5a0848dfa74eea0ca4dae630446a79f2cc4dea8f25f8f123e12af3d5a |
| Manifest | 2e06a109a605c675d8bc2f5b93804ed14dd1fd106ccffedb1e96bfba93c73a82 |
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 | jHtAqfIqgolTxEL1c205PoHAwdT9tXH/WUv/4mN/uPvONhbsQ0nzBYRVz5r/2GOqQfHwsbHspSGgJpsN3azaCw== |
| 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
| 2026-09-17T11:55:08.114438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021298observed 7b2760b5a0848dfa74eea0ca4dae6304...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:08.095725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021298/manifest.jsonobserved 2e06a109a605c675d8bc2f5b93804ed1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.078926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021298/publication.mdobserved 89fa0d425b8bc9f141fa2d9f5a4f3774...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:08.061474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021298/publication.txtobserved a59e39d44ff1a3c2d789034e5b13bb5d...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. |
|---|