OpenTechnical

OT-2026-000010219

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after set-down

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-2026-000010219) never changes.

Identity and time

Publication numberOT-2026-000010219 · never reused
Internal UUID01a0ae6b-cb7b-7480-9569-fea5fb7f1b03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010219
StatusPUBLIC

Content hashes

Canonical text84e6bcfca396a68379ffe6b534e81b0be45bdd001acb3a83f2fee39550227404
Markdown2e62a8283684e0efcd23d405a3d55f7eaed52c212d615849267545e5756fefb8
PDF
Publication page7b00c03109d3c4427b0aa160b829bf6d5279b02915d4ae69c845ed576a979c51
Manifestfe88353606fef74d10d83cbe4600f10fc45b627b3350916189a7c0fd529f93d8

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
Signatures5yQq1PQbU+wyfzhOGr9VfAyz7EhDqNipdp/wGmkENQ1VDeZS8pu95n21ZYjzDGR9CJIBLi+oQ7OmpKqGTIGDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:20.702645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010219
observed 7b00c03109d3c4427b0aa160b829bf6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.683539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010219/manifest.json
observed fe88353606fef74d10d83cbe4600f10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.665388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010219/publication.md
observed 2e62a8283684e0efcd23d405a3d55f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:20.646032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010219/publication.txt
observed 84e6bcfca396a68379ffe6b534e81b0b...
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.