OpenTechnical

OT-2026-000069448

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000069448) never changes.

Identity and time

Publication numberOT-2026-000069448 · never reused
Internal UUID01a0ae90-b52a-733b-8c2b-76b7de877594 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069448
StatusPUBLIC

Content hashes

Canonical text06e08b1db8fb3b40199111dc1b3873e04dd83ce0f9b898cbfc47f76311cec882
Markdown601cedd00f127aa8e9312b43b11bf08ee0e8e472d9164399e5820ed5d9e5ba0b
PDF
Publication page8f303ae30587e0e01968e7c6d5c97bddc11da16f2f4b94e68753bf6dfdaeeaca
Manifest0ba0718af4a51307b651ddb77dc84a8d5e771eb68466968b4f73e3b8d3e1f8a0

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
SignatureDUYgJQF4SY3dhZCOt7idsOfJLhanppLJNzpvFqrAoNAJf+RdHJu7ss5mp42u5xVlcv9SZ8JLEqTY+iolND8sBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:31.062214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448
observed 8f303ae30587e0e01968e7c6d5c97bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.042921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448/manifest.json
observed 0ba0718af4a51307b651ddb77dc84a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.023563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448/publication.md
observed 601cedd00f127aa8e9312b43b11bf08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.002811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448/publication.txt
observed 06e08b1db8fb3b40199111dc1b3873e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.974314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448
observed 8f303ae30587e0e01968e7c6d5c97bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.957253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448/manifest.json
observed 0ba0718af4a51307b651ddb77dc84a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.939253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448/publication.md
observed 601cedd00f127aa8e9312b43b11bf08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.919359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069448/publication.txt
observed 06e08b1db8fb3b40199111dc1b3873e0...
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.