OpenTechnical

OT-2026-000070915

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000070915) never changes.

Identity and time

Publication numberOT-2026-000070915 · never reused
Internal UUID01a0ae91-8c2d-7c71-a3a2-3225a6dd2797 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070915
StatusPUBLIC

Content hashes

Canonical text402b32039965a0e780bce8b2d5851fcb90ce4a9ba76cd65dbbea395e831df90e
Markdownd76a94a7983569daa0d097c41ed1490e5ee580495858547279478d1abd00bc21
PDF
Publication pageddc9b661cf5c165c72fb6baca90d143ae226955fa02679adb5aa5bd1340383e0
Manifest174af7436dbdb8e80d83028aee9fa20350c58993bd0c0e1af71ef706d5904200

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
SignatureOfkdc+iAM442QCWroEuSJHZYLeN7F/h91ufw2NXPFFp52g5On2aywlXMPyBLfwXfKHPMn7aUyKQ1U629juXqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:44.840298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070915
observed ddc9b661cf5c165c72fb6baca90d143a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.822754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070915/manifest.json
observed 174af7436dbdb8e80d83028aee9fa203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.804606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070915/publication.md
observed d76a94a7983569daa0d097c41ed1490e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.787888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070915/publication.txt
observed 402b32039965a0e780bce8b2d5851fcb...
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.