OpenTechnical

OT-2026-000013514

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000013514) never changes.

Identity and time

Publication numberOT-2026-000013514 · never reused
Internal UUID01a0ae6d-6fcb-7ee5-8d67-c5a9c2c06ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013514
StatusPUBLIC

Content hashes

Canonical text1da2178db2b0da70e011bc78eb7eec623c3059d26a60d5140de56ee04a6c1c5e
Markdown53577b8e4066e738bc75458992d534b199e0552e4552b5ff58abbebcfa252e5f
PDF
Publication page13341bb5abf7fa48cc4956c98557daa1027e90a88c69e421d0b5b4552b118481
Manifest48cb538917f3fa8ecde58b8713ad1eedab5bc32311abb0272f978c239811c1c5

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
Signature20N1fYBMssywppsVQLFZP07pB0a82TprqQHzZcA/fn0PeSU9Qtf11nQbUtf6mAqr+BSXKm68XYEw+Av16eABDQ==
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

2026-09-17T12:10:01.675656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013514
observed 13341bb5abf7fa48cc4956c98557daa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.656358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013514/manifest.json
observed 48cb538917f3fa8ecde58b8713ad1eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.639266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013514/publication.md
observed 53577b8e4066e738bc75458992d534b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.620839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013514/publication.txt
observed 1da2178db2b0da70e011bc78eb7eec62...
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.