OpenTechnical

OT-2026-000019012

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000019012) never changes.

Identity and time

Publication numberOT-2026-000019012 · never reused
Internal UUID01a0ae6e-d523-7ba0-b71a-f42b81729936 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019012
StatusPUBLIC

Content hashes

Canonical text5e72539bd99a31fcfac077a113089626dd8881a8c6ffeeeb7a77ea740c537099
Markdown4cb0c21a6b86d847086031515138b11a09c4240e856763a4ef4feb22413210f7
PDF
Publication pagea9933c9279484344c52fa0b5229cd42061a7a6e1f0d6085021e4b2d24cdc0044
Manifest5a55278728f5444d8421fb2f8a69fae6f5b8d70d83a66d439a425b3b5fd71b27

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
Signature0nBZvpIFwpSo0qFf30DwPN3TwbaBa0uZFsEBJ6QZSryUbi26KrfLOM2kH/Ceatj58l0myCLeDQ8n9auNN7OWCQ==
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

2026-09-17T11:59:42.030151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019012
observed a9933c9279484344c52fa0b5229cd420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:42.012077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019012/manifest.json
observed 5a55278728f5444d8421fb2f8a69fae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.994176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019012/publication.md
observed 4cb0c21a6b86d847086031515138b11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.976101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019012/publication.txt
observed 5e72539bd99a31fcfac077a113089626...
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.