OpenTechnical

OT-2026-000084564

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000084564) never changes.

Identity and time

Publication numberOT-2026-000084564 · never reused
Internal UUID01a0ae98-e25b-7104-921b-6b7751c2c5d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084564
StatusPUBLIC

Content hashes

Canonical textd7b6ca22d46b8e1ae12b507dd88c2397ac65ac16f366e83e49bd572542b868d9
Markdown4f21d6c1f2c97a28cb7b4cb2a0ad5a840d982c96586f51a7cd73931a0bbd27ee
PDF
Publication page80be5cf3be90bbb31d82c744c122f5c374c924a0d021d8ca759557ac5cb22017
Manifest093970f4f666424a96e26386f077710a417a9d0bf6fa5a279208e471450bd58a

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
Signature9Za34iTFckliaR7StC2vtdidVfEI5o1PJCYKs+4ZkVSBFSu1FLG7sZiXPO1gio+D7ZJoq4/V4ufqpNScKheFBA==
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

2026-09-17T09:55:27.552013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084564
observed 80be5cf3be90bbb31d82c744c122f5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.534732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084564/manifest.json
observed 093970f4f666424a96e26386f077710a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.516745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084564/publication.md
observed 4f21d6c1f2c97a28cb7b4cb2a0ad5a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.500645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084564/publication.txt
observed d7b6ca22d46b8e1ae12b507dd88c2397...
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.