OpenTechnical

OT-2026-000019420

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

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-2026-000019420) never changes.

Identity and time

Publication numberOT-2026-000019420 · never reused
Internal UUID01a0ae6e-f393-711a-98af-5f6ae0ff1c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019420
StatusPUBLIC

Content hashes

Canonical textf673fee520bce42505bf4249d24c2563c11b0eb9ff8fb7a62d2e7487a9ce8d10
Markdown8f6c16f77b9bbf8e3dc98637167afbca9b3a9bddd25bd847cc756e6edad88ed1
PDF
Publication page765ea3db5fa2b257d328ae2fde526ffcec911a352ce3bcbd958970555458a8bd
Manifest021715f625be3b61820a56d9928c3cead0f1c998265032b29a396c080080f1f6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureYRPpX+rZlDIVNIUVXMMIehfy8DsBoWCsfuY+N6csHsSysDX2GB0pblBXnsDArdpsGK8mq7grFDVpW7mUOPh6Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:48.717704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019420
observed 765ea3db5fa2b257d328ae2fde526ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.698060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019420/manifest.json
observed 021715f625be3b61820a56d9928c3cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.679846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019420/publication.md
observed 8f6c16f77b9bbf8e3dc98637167afbca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:48.661517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019420/publication.txt
observed f673fee520bce42505bf4249d24c2563...
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 archivePending 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 packagePending Custody packages are produced weekly.