OpenTechnical

OT-2026-000070109

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000070109) never changes.

Identity and time

Publication numberOT-2026-000070109 · never reused
Internal UUID01a0ae91-1861-78ab-b582-e45c7322bf29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070109
StatusPUBLIC

Content hashes

Canonical text3e695fa1e0e2ee546338b1dc3cfb39aa310959f601e5097ef560050368fd8b4f
Markdownc136c9f4461311e1037fd34b1deaa5e14aeeb2e40fd7ffed20611af53c7bfca1
PDF
Publication pagefb4631dab10f76a5407a3015a8a1e30d4493251fd9def13fb45e8d86e6eb9673
Manifest233ee7bb544b39f7f1147a3243bacb12f90c131842e0019325c42836c292a601

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
Signature3XDrjtElvEAsqA42R5XHwOKAciwm73SQY7P8n7FRGDVpyYwoNAUp/KQMurL1DkOc0TmdmsNO/qKyGivrUY9TBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:04.895276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070109
observed fb4631dab10f76a5407a3015a8a1e30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.877027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070109/manifest.json
observed 233ee7bb544b39f7f1147a3243bacb12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.857928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070109/publication.md
observed c136c9f4461311e1037fd34b1deaa5e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.841459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070109/publication.txt
observed 3e695fa1e0e2ee546338b1dc3cfb39aa...
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.