OpenTechnical

OT-2026-000007346

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two stage ejector, vented before 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-2026-000007346) never changes.

Identity and time

Publication numberOT-2026-000007346 · never reused
Internal UUID01a0a97b-8e0d-7fda-8672-0c8ad4e76f3b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:41.935957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007346
StatusPUBLIC

Content hashes

Canonical textbdbea5a715ab5a12c6638f1eec89a85b9cc6967eeb65b6e0f4205dc000b62173
Markdowndd0c26e88fccffeb6d69e4df5178f2d13c85180c62fa0f9b0007136ab6ba1e01
PDF
Publication page92f49a607e3f83aee2f05bb9d061e4c00cd67dbe37b34b14ce1748ee24275dfe
Manifesta03a1fdc1653610ac2623b8438156e8df3c100496c28810c03266bcf090895f8

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
SignatureCZ0Ry6JwPS3YRxDAi6vovPXcP2oRn2T4/lbOa3m+WRgVqVHYtJsQspP33FQMaSUnpEo3OQy3Q01Ee7duqYFCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:10.487359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007346
observed 92f49a607e3f83aee2f05bb9d061e4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.474389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007346/manifest.json
observed a03a1fdc1653610ac2623b8438156e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.461227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007346/publication.md
observed dd0c26e88fccffeb6d69e4df5178f2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.444662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007346/publication.txt
observed bdbea5a715ab5a12c6638f1eec89a85b...
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.