OpenTechnical

OT-2026-000015065

Publication integrity record

Single cup vacuum gripper, single stage ejector, 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-2026-000015065) never changes.

Identity and time

Publication numberOT-2026-000015065 · never reused
Internal UUID01a0ae6d-d096-7fbb-9419-5cf5c2852c99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015065
StatusPUBLIC

Content hashes

Canonical text8cebc21f1852a75ce89babc176e170aaedd3bd67035e4f9e0395d8fc79172a4d
Markdown70988b3e4ece257f28ba7016f638d9b7215f073ace4a604a338175e09c162580
PDF
Publication page7166358a26286b3dd9d9fdf1831dc48e9fffba96e84e871ddee3be0c52d4a35b
Manifesta2bc0382de9360f660d7ece87119f27f6db69fa1f02a69db3341eefd420df31c

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
SignatureeCw4ava0AXe2iMT1Wxhi5cpz7d2mZlrkzLwX23fqAjm0E8E3UW4dIimZjj0PvjqRmqmEKjpzrd9gxRSKdziyCw==
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

2026-09-17T12:07:06.577902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015065
observed 7166358a26286b3dd9d9fdf1831dc48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.558626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015065/manifest.json
observed a2bc0382de9360f660d7ece87119f27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.539772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015065/publication.md
observed 70988b3e4ece257f28ba7016f638d9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.518566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015065/publication.txt
observed 8cebc21f1852a75ce89babc176e170aa...
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.