OT-2026-000019820
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000019820) never changes.
Identity and time
| Publication number | OT-2026-000019820 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-70f8-930c-be6b889965e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60cb06ab88608e4879a1ac7878c833b34e82431538952aca92f7a2f486bd5af2 |
|---|---|
| Markdown | 90d4dcb841b558387d49e66b0618f44cc7ffaffb0afa4e23d71ff2be84263600 |
| Publication page | ae818363a3ae80072ea8e56b081850c0c8974ca2a829f3f585b703844d9ed43e |
| Manifest | 3bf769426f345977b559befbfc886bb3b4b54329bceef49a28fc00e70844ec90 |
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 | KUB1QGjfY0w4tUlfg4+RK9YrM2NIudr2D71l6wTBN4n+xX/qfWJ1E+O3qZSAa+ea9nqivNAZQTiwAGEb3AuHAg== |
| 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
| 2026-09-17T11:58:00.457490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019820observed ae818363a3ae80072ea8e56b081850c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:00.439287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019820/manifest.jsonobserved 3bf769426f345977b559befbfc886bb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.421009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019820/publication.mdobserved 90d4dcb841b558387d49e66b0618f44c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.403903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019820/publication.txtobserved 60cb06ab88608e4879a1ac7878c833b3...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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