OpenTechnical

OT-2026-000044761

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044761) never changes.

Identity and time

Publication numberOT-2026-000044761 · never reused
Internal UUID01a0ae7c-911a-77c0-9ad9-01d0caa68eff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044761
StatusPUBLIC

Content hashes

Canonical texte6e469ba4cab77aa0472e3b3ef8f666bef243d7a879bcb04d8eb3a42a784bf81
Markdown7f2c77c35e1e09020972a1b41e5ed1d821417c71e0efc157659bf5ae2c828ad5
PDF
Publication page1c24aeb548f092b496536f32fbb6119e53ef3f6d8ca3c6b8444c4f9e178d9de3
Manifestbad248efaed68d08bb69f493361693052ae26e17f5e262a32a5ece23df725786

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
SignatureNbByOOOnkKYNqfaiE+4HUX/Ap4TuQlBBynmu0BJScCDm7kXSapnOsfyT8gkhOOXZ7HeflX48ypW9Z+vJjd0MCA==
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

2026-09-17T11:11:22.877508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044761
observed 1c24aeb548f092b496536f32fbb6119e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.859868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044761/manifest.json
observed bad248efaed68d08bb69f49336169305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.829388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044761/publication.md
observed 7f2c77c35e1e09020972a1b41e5ed1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.792245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044761/publication.txt
observed e6e469ba4cab77aa0472e3b3ef8f666b...
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.