OpenTechnical

OT-2026-000100874

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100874) never changes.

Identity and time

Publication numberOT-2026-000100874 · never reused
Internal UUID01a0aea3-c376-7281-8196-ef614adad7e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100874
StatusPUBLIC

Content hashes

Canonical textd7c31188420a2b2c0822963f1c2c1deb7fa87c76ee1bbe4a1e2bf2fb0b91d33d
Markdowna684e68fe8ce483a5dcc20758f3951931374d51403a3722f682ade1e0e4967bb
PDF
Publication page3c1661fb5b35347e957ca54f8ae6faf0bc15d53ed835741e9338ddde1bb8bfd7
Manifest185fa7b1976b2f55b4ea76c323fca6bc480f556dbc56322a0d2b0b16f6323957

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
SignatureTfPJEJU1AgmB8qEXMDO3BsRG/xwxgZbIkyOdgsC5EppIInq5VKg1CWN5dUCKi8VLAHi7kP8t3n+V5++c64FdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:21.755762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100874
observed 3c1661fb5b35347e957ca54f8ae6faf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.741030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100874/manifest.json
observed 185fa7b1976b2f55b4ea76c323fca6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.723611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100874/publication.md
observed a684e68fe8ce483a5dcc20758f395193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.705891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100874/publication.txt
observed d7c31188420a2b2c0822963f1c2c1deb...
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.