OpenTechnical

OT-2026-000013419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000013419) never changes.

Identity and time

Publication numberOT-2026-000013419 · never reused
Internal UUID01a0ae6d-6fca-777e-9aca-c24fa16ab289 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013419
StatusPUBLIC

Content hashes

Canonical text305e6cffb0335c0ca43e79841833f7b325f3f50600357d4d1c4d298552a9ce3e
Markdownc6fd97b491697a025c0af7b5a312fa579fad9ea1b866bd921ce6f1e355f8225c
PDF
Publication page402378aaf25ae3c3c59aee3de3c96136407e43e9179595a43cc70660d672543f
Manifestb311fdd7439ee99b69dc4846c7b1ff027aa30ace857f918c8e765ddcfc51318f

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
SignatureJW8DJs6k73GSQc8aszeloYWOLDcYE6Zd1LoxO3wLs6MhXGaaXZcIiiY8rxQKNzCvGvrxpQ5B9JzZmPfVcdtJDA==
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

2026-09-17T12:09:54.060032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013419
observed 402378aaf25ae3c3c59aee3de3c96136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.042643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013419/manifest.json
observed b311fdd7439ee99b69dc4846c7b1ff02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.023738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013419/publication.md
observed c6fd97b491697a025c0af7b5a312fa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.006558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013419/publication.txt
observed 305e6cffb0335c0ca43e79841833f7b3...
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.