OpenTechnical

OT-2026-000006646

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, 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-2026-000006646) never changes.

Identity and time

Publication numberOT-2026-000006646 · never reused
Internal UUID01a0a962-8ba1-7be5-ab6a-bb21d90f339c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:22.915826Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006646
StatusPUBLIC

Content hashes

Canonical textf73867868ebfc2cf722d394f3230d7153235e753eab99931bc0873e78a1a67dd
Markdown006c7d1fef7536732ab7e45c92d5986368632efbab8e150a0001b3bf172b92f6
PDF
Publication page3c97e1aa4e09b650f2ed50d0ff899d543b02fdf2f3e6c05e2092d51ed33ac53c
Manifest9f73e0286a922c160150ba7430b55576a6098bd773d83d6754b6dcca0c8608ad

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
SignatureEj9GK1Kh8HFubJXhmCAELeSGz9mE4RcP56/l8LDGofG/bjJiOkvDd64pX64h2ho8hFSPUG1eiFClOFK9QTpnDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:21.682479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006646
observed 3c97e1aa4e09b650f2ed50d0ff899d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.669877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006646/manifest.json
observed 9f73e0286a922c160150ba7430b55576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.656144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006646/publication.md
observed 006c7d1fef7536732ab7e45c92d59863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.643264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006646/publication.txt
observed f73867868ebfc2cf722d394f3230d715...
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.