OpenTechnical

OT-2026-000023897

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000023897) never changes.

Identity and time

Publication numberOT-2026-000023897 · never reused
Internal UUID01a0ae70-aed6-7336-99d5-d647dea8e5fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023897
StatusPUBLIC

Content hashes

Canonical text54dc62b71058e8bab77e4c1bb55ce204b3099a9a16901433d206fec896687f5e
Markdowncc3bd29ef2692d0712e25c1c412ed2437d8b480a8f4363b52bf34fa1fd437698
PDF
Publication page33cfc20dc032c65b0ba8c627ae465720fc905cb3faa094f57ddad188aa721fd4
Manifeste574f761e361f4ccccda1bc6f867cf8d35ce46978955fc448bc4399c40084248

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
SignaturegLGGL+kFmNZbE0T4M9RDwdBnhiIzbKRi5jTyShrUlK1KWUq40yah9XXAd8sEJaB0KR6q1JpDgWcKn6VthHppBQ==
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

2026-09-17T11:50:30.716843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023897
observed 33cfc20dc032c65b0ba8c627ae465720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:30.698844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023897/manifest.json
observed e574f761e361f4ccccda1bc6f867cf8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:30.671957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023897/publication.md
observed cc3bd29ef2692d0712e25c1c412ed243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:30.654150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023897/publication.txt
observed 54dc62b71058e8bab77e4c1bb55ce204...
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.