OT-2026-000021074
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000021074) never changes.
Identity and time
| Publication number | OT-2026-000021074 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-7a16-a0b7-5a858a775a9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021074 |
| Status | PUBLIC |
Content hashes
| Canonical text | c75ed50a2ca19a52550f7b4a131ad040d0cabf46dc152014544a12fcc1fa310f |
|---|---|
| Markdown | 7aec48c1c3f3f2eb11a298989743fc8111bace7d7382faaef99d5f8aaaec8efa |
| Publication page | cae3efcbcdfb5fac51b2da338d5ce0fcaee2602db0c5316850d9faa1e8ff74d7 |
| Manifest | f08f3585fadfbd9ff92b3f25be8ab31af0a8a78794aa70ac47b5d230040302a3 |
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 | jfdYKWZvfwUvskwb19uTinEpga77iDUUbXBDSYugZCOvlf23jf+r+d/HIIJ+NZTCXL/RgdtiLU3RwjwJ011wDw== |
| 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
| 2026-09-17T11:56:14.791326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021074observed cae3efcbcdfb5fac51b2da338d5ce0fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:14.772018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021074/manifest.jsonobserved f08f3585fadfbd9ff92b3f25be8ab31a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:14.754162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021074/publication.mdobserved 7aec48c1c3f3f2eb11a298989743fc81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:14.736126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021074/publication.txtobserved c75ed50a2ca19a52550f7b4a131ad040...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. |
|---|