OpenTechnical

OT-2026-000038328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000038328) never changes.

Identity and time

Publication numberOT-2026-000038328 · never reused
Internal UUID01a0ae78-2d51-73d8-8f1d-e0d14439e32c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038328
StatusPUBLIC

Content hashes

Canonical textfcc0b01dc9d40db2044de4e9b08294355ecfadc24cfc24ba5a7a2649c752b76b
Markdownde41af50eeeccfbe92cf7fedee000c7b51f5ae59c2defc45d9c78274a7511f9e
PDF
Publication page0250d75ec2e9eb948ed5eab8b382ad4cb135635e2d6da17e6660dfc41ee3c456
Manifestf815988fe283472b4feccb0c9595c1b46b2c34e9440353842da272502b96cd7b

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
SignaturelFuVY6/BomwoJyMOUoUMtJRa9sIChpWjPHrs/jYyLkFaeWRMBUut91AAqN9LT37UuJbl8uIbGeDAMalbJm02Bg==
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

2026-09-17T11:22:30.582929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038328
observed 0250d75ec2e9eb948ed5eab8b382ad4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.563108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038328/manifest.json
observed f815988fe283472b4feccb0c9595c1b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.545686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038328/publication.md
observed de41af50eeeccfbe92cf7fedee000c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.527225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038328/publication.txt
observed fcc0b01dc9d40db2044de4e9b0829435...
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.