OpenTechnical

OT-2026-000053679

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000053679) never changes.

Identity and time

Publication numberOT-2026-000053679 · never reused
Internal UUID01a0ae85-0a96-7aa3-a6aa-96028eb4d552 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053679
StatusPUBLIC

Content hashes

Canonical text3a2aadf56d7a9692f52859a7162ddcf08b6457f3d8e8f96172e575dd81e94ed4
Markdown48c1a38be5c5db31591e3d51a08dabd6e1d6ba58797183f57d872f37087119f2
PDF
Publication page62711525bf6b7cd9815254783d16bfcb5225a655a2725c23148a88475ca96088
Manifestdaa76659ed3ff1c3aca4928af764e16d51f808a9d00e5366b80b15757c83be81

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
Signaturedd7hprWJq1ZIPDVcWcalH5S4/osxSYTjsqTyYOwk43JTnTWlzNjytCEQiDwjHB7+7C3VZooITsHuND6UhjqBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:34.524466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053679
observed 62711525bf6b7cd9815254783d16bfcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.505689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053679/manifest.json
observed daa76659ed3ff1c3aca4928af764e16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.485592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053679/publication.md
observed 48c1a38be5c5db31591e3d51a08dabd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:34.467165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053679/publication.txt
observed 3a2aadf56d7a9692f52859a7162ddcf0...
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.