OpenTechnical

OT-2026-000017933

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000017933) never changes.

Identity and time

Publication numberOT-2026-000017933 · never reused
Internal UUID01a0ae6e-96fc-77e6-b977-938c5d55388d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017933
StatusPUBLIC

Content hashes

Canonical text73a32013f1e9ecd4edb36ccc3a04fb37b44a1f28978c6ed2278e1b9900433857
Markdownd2ad047fcfba1d3a797bacd1cd452a2b712711d9be23050eb4b6742e3cdf9c4a
PDF
Publication page3f7c778cfea12c8c70fba96cabe61d470648b0cdff40da54fa52b042bdd2ab01
Manifest94e7d4c0ebe47a250c492fb9791818860ac1921072c49e4067d26ebcc6ffeeff

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
Signaturel3vwcjkApWNtpqrzNgSm2OYiyO4ZMMxh0/k0NK5h97Y2wFFJWQViASy9dLczQVhZthYQyaCIQ3sWe4beT+cvDg==
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

2026-09-17T12:01:55.750049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017933
observed 3f7c778cfea12c8c70fba96cabe61d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.732703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017933/manifest.json
observed 94e7d4c0ebe47a250c492fb979181886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.714355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017933/publication.md
observed d2ad047fcfba1d3a797bacd1cd452a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.697420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017933/publication.txt
observed 73a32013f1e9ecd4edb36ccc3a04fb37...
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.