OpenTechnical

OT-2026-000084570

Publication integrity record

Four cup 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-2026-000084570) never changes.

Identity and time

Publication numberOT-2026-000084570 · never reused
Internal UUID01a0ae98-e25b-78fc-a98a-ef62227a5854 · 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-2026-000084570
StatusPUBLIC

Content hashes

Canonical text00492c90ad1df06765c1f88740d8e732497ee74d78c6a8e980199c0173b1c106
Markdownb144e6ecbe77b960d5c1de842ad198f5989dee5a73214b39fb11f7a4ce14f0ea
PDF
Publication page9ae1564b9b4b2782fd32241228aafeaa73df06eeae9813356895ac5d021b3fe5
Manifest692fc800c788a81c06c2c45b8ccf86092687216fea0309a50e7a0bccf8cd06a9

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
SignatureuQ4TJAtEv7f8Z9H5RijBm9og/TLm8WbxxZEUZA6jLR43z7xKrPfJPfvCAJK38NW3qf+Mce+zaIw+W8ixg127Cg==
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

2026-09-17T09:55:27.979847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084570
observed 9ae1564b9b4b2782fd32241228aafeaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.961876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084570/manifest.json
observed 692fc800c788a81c06c2c45b8ccf8609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.943889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084570/publication.md
observed b144e6ecbe77b960d5c1de842ad198f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.927328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084570/publication.txt
observed 00492c90ad1df06765c1f88740d8e732...
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.