OpenTechnical

OT-2026-000016769

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000016769) never changes.

Identity and time

Publication numberOT-2026-000016769 · never reused
Internal UUID01a0ae6e-5919-71b1-8b16-88bdc034aeb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016769
StatusPUBLIC

Content hashes

Canonical textb6f6dc24d32703ff09e0a727ca877e419f21e41124d121ee756dd989531ac6be
Markdown62034d4fada8eeb31076471335115f531e2d415a3351eb4ea9d414e96fa347d8
PDF
Publication page2d9eaf681ee5d180148503cd405c83ec1ca6570ec15530d53245dfad2daddcc7
Manifestfa329e4520dc7ba2c77a715fe56ee92cd7f9af99f5ad8e6ba832182832642010

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
Signature9r0E68UAYX4P1kCrEVAE53c3aoKeQ6YwQxk/wuisFC7xuaNQ5rOUsHwVE3ElwRgCi0p8rxmjFoSpyMm70xZJAQ==
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

2026-09-17T12:03:00.618282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016769
observed 2d9eaf681ee5d180148503cd405c83ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:00.601524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016769/manifest.json
observed fa329e4520dc7ba2c77a715fe56ee92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:00.585029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016769/publication.md
observed 62034d4fada8eeb31076471335115f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:00.568221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016769/publication.txt
observed b6f6dc24d32703ff09e0a727ca877e41...
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.