OpenTechnical

OT-2026-000039891

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000039891) never changes.

Identity and time

Publication numberOT-2026-000039891 · never reused
Internal UUID01a0ae78-d8d6-7d5d-b2c4-d2577e2ec6cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039891
StatusPUBLIC

Content hashes

Canonical text714e2ad212959d2d7faf120a3b9c66ca93eb1e8e07405acf41e1b2ecb8ae59ca
Markdown186633664a933ee030fc3110614cb3637b9155857e7ceaec7942a7317627f423
PDF
Publication page54a182ec5fa9cb4648ce929cf3f35ead0bc7335ac27445f598649f54a794851a
Manifest12f8b5d26cb339b7b810c9e11a2aa150abdc7acbb77d8ef4bfe9cabe505e3775

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
SignatureDE4/jVplTKo7of8s3gdBm52TDOmh21SFqtPFRTOrucg2InUE1mwB0gcVh2uvGNP853ynwhl40pOxwgO6PtTNAQ==
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

2026-09-17T11:20:10.715395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039891
observed 54a182ec5fa9cb4648ce929cf3f35ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.696068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039891/manifest.json
observed 12f8b5d26cb339b7b810c9e11a2aa150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.678670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039891/publication.md
observed 186633664a933ee030fc3110614cb363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.661624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039891/publication.txt
observed 714e2ad212959d2d7faf120a3b9c66ca...
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.