OpenTechnical

OT-2026-000069443

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000069443) never changes.

Identity and time

Publication numberOT-2026-000069443 · never reused
Internal UUID01a0ae90-b52a-772c-8610-30492e9304ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069443
StatusPUBLIC

Content hashes

Canonical text0fa95d16f3defb23c30572e57faa8e4e0420e8d354fc553b8cd4716da84b4f59
Markdown35054f17f37ddecef5f001bb4e76b110f4885fd506c44b394e2551fa67032a2e
PDF
Publication page52fc6f86685db54b4e5e30703f8c3f7dafa4d0c7df27a38f1a18616c24c1fe0c
Manifestbf699a5fa659264a372b8afba92d6cbdc76fad328b5e699f20808ad4266b55c4

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
SignatureQ7oMdZM2x/b856Znk2WdChjPB2NjFIBnYZvwxr6nA1g6WuFWHcwsFDINPDWrwCkxQ9RIF42Ta+MVUCOPhQ1PCg==
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

2026-09-17T10:30:30.754915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443
observed 52fc6f86685db54b4e5e30703f8c3f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.737651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443/manifest.json
observed bf699a5fa659264a372b8afba92d6cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.718354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443/publication.md
observed 35054f17f37ddecef5f001bb4e76b110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.698073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443/publication.txt
observed 0fa95d16f3defb23c30572e57faa8e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.684797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443
observed 52fc6f86685db54b4e5e30703f8c3f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.667300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443/manifest.json
observed bf699a5fa659264a372b8afba92d6cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.648930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443/publication.md
observed 35054f17f37ddecef5f001bb4e76b110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.630389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069443/publication.txt
observed 0fa95d16f3defb23c30572e57faa8e4e...
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.