OpenTechnical

OT-2026-000084681

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000084681) never changes.

Identity and time

Publication numberOT-2026-000084681 · never reused
Internal UUID01a0ae98-e25c-7039-bf03-267ddc244847 · 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-2026-000084681
StatusPUBLIC

Content hashes

Canonical textc245fab9df0b2a30a212eb6e8b41ca621c134d13a3be2ce878a4c0df7e953f71
Markdowna068bc574ad7fec51f678c454e2bcfc921cce0c389c78106b0a2c9055c86fdfd
PDF
Publication pagee923803b9657b5118b1af9c089a5764693ca9338c3c47734f14aa5e8de8f0ff1
Manifesta0e50c88027e026f2cfe200ba0e945b0e3d082ce8e1b133514e971c8a884cf08

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
SignatureTnlJD8TPT0lGhiNaANnC+S7AGjXMPhX4w4kUW3L8WaQvy+wkM82NJ6T4aiQgSLSBk3KH39QgNEXNzdC8pZGRDw==
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

2026-09-17T09:55:36.485669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084681
observed e923803b9657b5118b1af9c089a57646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.466836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084681/manifest.json
observed a0e50c88027e026f2cfe200ba0e945b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.448901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084681/publication.md
observed a068bc574ad7fec51f678c454e2bcfc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.430187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084681/publication.txt
observed c245fab9df0b2a30a212eb6e8b41ca62...
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.