OpenTechnical

OT-2026-000067519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000067519) never changes.

Identity and time

Publication numberOT-2026-000067519 · never reused
Internal UUID01a0ae8f-6bda-727c-a16f-066e5c46a8cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067519
StatusPUBLIC

Content hashes

Canonical textbdb2a451cec763b0af0da287bd8f77c455373623cd4e6350acd8bee290f76987
Markdowna452c9b375426d4bada32f80dc0c0b72182e837e34b2426121407ca8fa4d2525
PDF
Publication page16d095472cd10df3d0dd4c394adc362418e8feedc9d995bba95bfefc1198cb69
Manifest1f4bbf5e3c7695d808f377e40f521ec8db802d3500f2155b911159665354f9ba

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
SignatureaOdF2TF52i84F+MBfPrpoVgn41HvfmGcDxZpS38PFAW9P31OUmSxQWm+V8svG+cBLZy8bE7aFflMyAtUex35Cg==
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

2026-09-17T10:31:49.147593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067519
observed 16d095472cd10df3d0dd4c394adc3624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.130894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067519/manifest.json
observed 1f4bbf5e3c7695d808f377e40f521ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.113020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067519/publication.md
observed a452c9b375426d4bada32f80dc0c0b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.095609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067519/publication.txt
observed bdb2a451cec763b0af0da287bd8f77c4...
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.