OT-2026-000019053
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000019053) never changes.
Identity and time
| Publication number | OT-2026-000019053 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d523-7372-a7f3-b70c3238b4ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019053 |
| Status | PUBLIC |
Content hashes
| Canonical text | 325d08325c5e02366dce2b82a07f5a443665d2086b130e3f3afcdbeb1075257a |
|---|---|
| Markdown | 6d5de491cb8e120ba9bb1f1fe1cdf01a1a9e0953d54dbe66e69c76a90d01323b |
| Publication page | 12b0b7ed4a510aa81118c121e11e487bb407f23b13577b23c45feca1b151994c |
| Manifest | cfc2822e8b7f1fa59152afa282fa2600c8e89165149200df97554c1e3f18de11 |
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 | YfmaHnD2nYPW41rts59NG49/963nHeOnlrd7fTqb3rWo0SNKf6rTE9SAIk40tSfMb00+UOIi5oRaHdtLFYxNBw== |
| 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
| 2026-09-17T11:59:44.920022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019053observed 12b0b7ed4a510aa81118c121e11e487b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:44.902880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019053/manifest.jsonobserved cfc2822e8b7f1fa59152afa282fa2600...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:44.883465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019053/publication.mdobserved 6d5de491cb8e120ba9bb1f1fe1cdf01a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:44.864868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019053/publication.txtobserved 325d08325c5e02366dce2b82a07f5a44...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. |
|---|