OpenTechnical

OT-2026-000020568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000020568) never changes.

Identity and time

Publication numberOT-2026-000020568 · never reused
Internal UUID01a0ae6f-437c-7209-ac2d-c230da15d489 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020568
StatusPUBLIC

Content hashes

Canonical textac48609ed45ea3aba4a24b18ec2d223b7ac3cd4f5325a95d97431b5894811ae0
Markdownd5e15685023ad9b5f9191ec57113e34570a6901de361a5c8c8fc563776cdb434
PDF
Publication page23769f1f893eee90f76b7e4ff749148e272c949aa31216d18394c3e2636e908d
Manifestdc1dfb47820fff64391a9576f1ef42604afdbb52791eb46f2249856b3c378e8d

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
SignatureOceU+pm9vhn8l32jvFRDa0z2ix0fVWI1nLbk5dbWBj9yDRN7xlYIEZ8HrDXwkfHnV8VIrVVOYkku56oCIMhfAA==
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

2026-09-17T12:00:41.335754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568
observed 23769f1f893eee90f76b7e4ff749148e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:41.317722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568/manifest.json
observed dc1dfb47820fff64391a9576f1ef4260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:41.298203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568/publication.md
observed d5e15685023ad9b5f9191ec57113e345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:41.278435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568/publication.txt
observed ac48609ed45ea3aba4a24b18ec2d223b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.109036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568
observed 23769f1f893eee90f76b7e4ff749148e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.091304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568/manifest.json
observed dc1dfb47820fff64391a9576f1ef4260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.074619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568/publication.md
observed d5e15685023ad9b5f9191ec57113e345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:36.055885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020568/publication.txt
observed ac48609ed45ea3aba4a24b18ec2d223b...
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.