OpenTechnical

OT-2026-000069035

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069035) never changes.

Identity and time

Publication numberOT-2026-000069035 · never reused
Internal UUID01a0ae90-6dce-7a95-aaf2-3a456e6f9d6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069035
StatusPUBLIC

Content hashes

Canonical text6e56ba594eea158097bf4b1fbe65bb19bbeb1e9f74b4e5f4943e87c231a64522
Markdownc4bca8806c5281af6f39287262aed9c35e867dfa63be38ddc36d9897a2b22149
PDF
Publication pagee05d2c264666fb934f91d57f89d3724e88908acce233bbe6d1cf2ab650eddd73
Manifestf723e01da8b248e1b5043d7ea18a970922f866a503c016165da78a1fa479b32f

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
SignatureV/BUSmvUhp/vRUX4ThxorhRu+fvg5OzgjOFvdHq0T9GM6btlRsPKLvh1kpvYzVHGQ1PrJu6i1EbGv1TFx1QACw==
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

2026-09-17T10:28:53.542725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069035
observed e05d2c264666fb934f91d57f89d3724e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.524091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069035/manifest.json
observed f723e01da8b248e1b5043d7ea18a9709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.507438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069035/publication.md
observed c4bca8806c5281af6f39287262aed9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.487141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069035/publication.txt
observed 6e56ba594eea158097bf4b1fbe65bb19...
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.