OpenTechnical

OT-2026-000012069

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000012069) never changes.

Identity and time

Publication numberOT-2026-000012069 · never reused
Internal UUID01a0ae6d-1943-7c0e-9e18-129646f3c1b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012069
StatusPUBLIC

Content hashes

Canonical text59680266f41aa8cc8e69894f4df5a3b2c9b87bee06a8bc12654c4183dbf4279d
Markdown30d96feb0aa929f826138ac37034a12c2b40b5ea780d4962f29a9e46a276fb0d
PDF
Publication page6799da25be65c3457c7be641c3155368db693e06be3a91120d527eccc922ae8c
Manifeste9f4b70acdf639233ac21bb2ca5754c07e68d9c04385fe7e6a7308bae14cf366

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
SignatureTyvj6Y3CVo/M8jdGaRVwilU2JsWVvwDbJGwbqKgHrVHJN1F1egRz8rm+GOZ38HWTDWaVV7+yBjJHesg6CCX7AA==
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

2026-09-17T12:12:57.251656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012069
observed 6799da25be65c3457c7be641c3155368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.232510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012069/manifest.json
observed e9f4b70acdf639233ac21bb2ca5754c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.209495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012069/publication.md
observed 30d96feb0aa929f826138ac37034a12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.184797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012069/publication.txt
observed 59680266f41aa8cc8e69894f4df5a3b2...
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.