OpenTechnical

OT-2026-000061401

Publication integrity record

Six cup vacuum gripper, six 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-2026-000061401) never changes.

Identity and time

Publication numberOT-2026-000061401 · never reused
Internal UUID01a0ae8b-7b42-7153-855a-776ae6d4be21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061401
StatusPUBLIC

Content hashes

Canonical text83bb5acfa5e12bf15ef995cda1200ff407ca3b231ec4e89741a6ec47174fbeb2
Markdownd916fa6f3bd4a3aefd3b097b0ff3cba8e90712b8b3705c388aad54c11e815ef6
PDF
Publication page3283a411b844de2c9a28eba5ecbd96330d40cc364ed98eef8ff889373ae10ea3
Manifest8a168626c535abca9dea16cc35907b42138cbf3e1d010bf8e47f2a43041ec241

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
SignaturetZzNvqkSRnw9RK2Qoq+7S+FD3HanUAew+A2D8UqlndXogVZOk3hgtbyBdMoWvaOQPzqo3NNXHxhDz0H8rNrJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:15.881942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061401
observed 3283a411b844de2c9a28eba5ecbd9633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.864549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061401/manifest.json
observed 8a168626c535abca9dea16cc35907b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.846162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061401/publication.md
observed d916fa6f3bd4a3aefd3b097b0ff3cba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.806190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061401/publication.txt
observed 83bb5acfa5e12bf15ef995cda1200ff4...
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.