OpenTechnical

OT-2026-000019353

Publication integrity record

Single cup vacuum gripper, three 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-2026-000019353) never changes.

Identity and time

Publication numberOT-2026-000019353 · never reused
Internal UUID01a0ae6e-f392-7f6e-88ce-119bf2861381 · 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-2026-000019353
StatusPUBLIC

Content hashes

Canonical text5f085f14503c0f6111649f7406c4c4273155241d31487f0c3fdf95fc33c20d95
Markdown2ae79d7fe08fa0a3ad2e54991ede1ba480c91614eb4e170dee601307eab93cdf
PDF
Publication page05a1efd0c780bf92cd0f92e650bdf9d41ae3dafe7b6f1900732fd6f4989cf31e
Manifest03874fa50ba928eb8d7383bd1f2c220a4eae0992d51da1ad0c81bfebc681df71

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
SignatureS009kRfGjC8gP10C9EDVEA3EfSetXxOGt8J2AeDAnDdoBwnFeDk+2S14NvIJ1tqbEfXqACCgcTHaWN5FdOSsAA==
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

2026-09-17T11:58:43.862743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019353
observed 05a1efd0c780bf92cd0f92e650bdf9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.845840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019353/manifest.json
observed 03874fa50ba928eb8d7383bd1f2c220a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.828083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019353/publication.md
observed 2ae79d7fe08fa0a3ad2e54991ede1ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:43.809855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019353/publication.txt
observed 5f085f14503c0f6111649f7406c4c427...
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.