OT-2026-000019428
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000019428) never changes.
Identity and time
| Publication number | OT-2026-000019428 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-796e-8501-5e5d16c9d60d · 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-2026-000019428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f5ca9a80a452b06526e16172382ae44fc57b21403419b6e0e89d019bf7c8a35 |
|---|---|
| Markdown | 1c62cbeb07afff2211c574a30afb33133d5d91017d1713fba7b561e6b7630b61 |
| Publication page | 3cada6de52a2cd14518b013d232ceddabaa30210a73e1b9b0b5fdd190405e18c |
| Manifest | 2de47f0821a38d77624b0941af185fa23cc9c6c3340d900b20523f412418d6b4 |
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 | 0f2BVvFcMEtY9Z5uAFrXsz4qzyMqWNc23WI7lPa72Vyum271F7IFMSCgzJDjYWxdx87meK9WA4bP6mzq5CxqBw== |
| 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
| 2026-09-17T11:58:49.332621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019428observed 3cada6de52a2cd14518b013d232cedda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:49.313736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019428/manifest.jsonobserved 2de47f0821a38d77624b0941af185fa2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:49.294902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019428/publication.mdobserved 1c62cbeb07afff2211c574a30afb3313...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:49.279182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019428/publication.txtobserved 1f5ca9a80a452b06526e16172382ae44...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. |
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