OpenTechnical

OT-2026-000013403

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off 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-2026-000013403) never changes.

Identity and time

Publication numberOT-2026-000013403 · never reused
Internal UUID01a0ae6d-6fca-7d87-b12c-35d1acd8e0f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013403
StatusPUBLIC

Content hashes

Canonical textb0b8c4d6838b9a2e60457685b8e08fa95be7ca89181e0bf041a7d4dbfbc7cd24
Markdown837007234c72f55cdc42df1c92169ef5a90baedc393754da94cd27873ea98dd0
PDF
Publication page1391a1c85006af0c8495b476f2d789b2902fc1c242215fe62a1b6932ef5c3731
Manifest90831b6449864fba0902eb95c68231b8fd5c610db86571e32800a9afc5f25c7c

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
Signature3JPylf+J8o3ZmBk1VTb8JG0EmE8G8kAbSamaGIPwKsgFYmUNZpq0Ic9DSCk6ZfWId9iu9PKmIf4ORkY5c83UCQ==
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

2026-09-17T12:09:52.740318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013403
observed 1391a1c85006af0c8495b476f2d789b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.718501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013403/manifest.json
observed 90831b6449864fba0902eb95c68231b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.701415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013403/publication.md
observed 837007234c72f55cdc42df1c92169ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.682563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013403/publication.txt
observed b0b8c4d6838b9a2e60457685b8e08fa9...
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.