OT-2026-000020354
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000020354) never changes.
Identity and time
| Publication number | OT-2026-000020354 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-74df-9144-00998b07e4d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020354 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ef2220674cb188d1a666d163ec504b7c056fa8da733f5d53351042f6ef317bf |
|---|---|
| Markdown | edafebd98ffdcb85e4c9b05468e31ba4d54ade98c6839e8ddfc73f710f854b6e |
| Publication page | 7997735aec18b7284415ab932e9405c889e30467636a28683f3159b70e41fcf8 |
| Manifest | 9a6a21ccc53b0a5f74d3cc12206559c2690cc9d77dbd57f75232950c2bace7d7 |
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 | /4JUixHkfB+VsMD/U1OG80MPhpSFjVjfblw5kMU7kmZB3msQQrxO/MtVjFEkwNflPjwaTVW8TIsseeRWE7oxCQ== |
| 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
| 2026-09-17T12:00:08.897676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354observed 7997735aec18b7284415ab932e9405c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:08.876493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354/manifest.jsonobserved 9a6a21ccc53b0a5f74d3cc12206559c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:08.848117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354/publication.mdobserved edafebd98ffdcb85e4c9b05468e31ba4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:08.815694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354/publication.txtobserved 1ef2220674cb188d1a666d163ec504b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.943388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354observed 7997735aec18b7284415ab932e9405c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.926618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354/manifest.jsonobserved 9a6a21ccc53b0a5f74d3cc12206559c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.909356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354/publication.mdobserved edafebd98ffdcb85e4c9b05468e31ba4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.893781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020354/publication.txtobserved 1ef2220674cb188d1a666d163ec504b7...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. |
|---|