OpenTechnical

OT-2026-000083685

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000083685) never changes.

Identity and time

Publication numberOT-2026-000083685 · never reused
Internal UUID01a0ae98-0416-78a5-b409-061c84ff2803 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083685
StatusPUBLIC

Content hashes

Canonical textec1753f42d0c5e1fcb1517d2926a1e964f2cf55ef8183ea58ece0a992bbd50d6
Markdown00eab6d7a66b1636b9e4e2797cd4921e54d881b96bffaf9e62da6ff16a472ecd
PDF
Publication pageefa04ad51349703812b6ef7286b34327981d61b330d71705231924d6c70f9623
Manifest102a6433d359c54cb92bb1e167d8d3dcc28740a455d255e5abcdcea0fe9cc5b2

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
Signature/oXBTAqCZMsX00S+5FY/ORUTTqBM65jgAh2RoKlzBa0JxnTLwQWwVTe65FilFA6kVYjZ7wqVZIDUdwbjQAuXAg==
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

2026-09-17T09:57:18.619490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083685
observed efa04ad51349703812b6ef7286b34327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.602865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083685/manifest.json
observed 102a6433d359c54cb92bb1e167d8d3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.586957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083685/publication.md
observed 00eab6d7a66b1636b9e4e2797cd4921e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.570065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083685/publication.txt
observed ec1753f42d0c5e1fcb1517d2926a1e96...
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.