OpenTechnical

OT-2026-000069619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069619) never changes.

Identity and time

Publication numberOT-2026-000069619 · never reused
Internal UUID01a0ae90-b52c-7b83-ad29-283f17805685 · 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-2026-000069619
StatusPUBLIC

Content hashes

Canonical textff8e2ea7b9e8a2a73999d9e52554cc82f4a5870f5a1cefe7d9633c5292977073
Markdown188ec401ae18364e9cc9167a1ddc88e09fe4983de57edb58fcb8c274625b5335
PDF
Publication page977f0b38fa59a4d30658b7a7994e4415b38e993f3f533d64aaa676d0d3b9c11e
Manifest59e2837b22db005db413e8da39ee7ed452cc2967d59d6eb7ea51628897184a63

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
SignaturefzcP3ZfnNftg3uqzWAVS3KKIVZXkPdxfTxLdrbB3PEE94/XOWBzy1YlO3GSjZgiV9fl/zAafdtrTLAJjuU/zBw==
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

2026-09-17T10:28:16.947443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069619
observed 977f0b38fa59a4d30658b7a7994e4415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.928816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069619/manifest.json
observed 59e2837b22db005db413e8da39ee7ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.911014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069619/publication.md
observed 188ec401ae18364e9cc9167a1ddc88e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.894690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069619/publication.txt
observed ff8e2ea7b9e8a2a73999d9e52554cc82...
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.