OpenTechnical

OT-2026-000074875

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074875) never changes.

Identity and time

Publication numberOT-2026-000074875 · never reused
Internal UUID01a0ae93-ac2c-7ab0-98fa-6216bf871bcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074875
StatusPUBLIC

Content hashes

Canonical text7b416f982eee1ff51d747b96c0281cefc990e91822ff6760b56e47d9b5a9a087
Markdown84d8e1b5d30f22974686a9febd3e42a01bd60a8e514c52c61f16f5e10ad70b53
PDF
Publication page8bbed76eca87855c9b65b970c54cb0a08e80fdf7eafccb650882d6a3ff029aa7
Manifest6140004a7d0a11bf677c43c070069fbb6d01b63be61b72bbae583f430c0f3ead

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
Signature8VWDdxxNC28jfBiKFiQxn7BsmAxg3NvceONTspT/pNKwVJw81/88LzEfwe4+Q2J9DZLPk+iKtWsTJQtbOQsYAQ==
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

2026-09-17T10:18:35.645767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074875
observed 8bbed76eca87855c9b65b970c54cb0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.627993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074875/manifest.json
observed 6140004a7d0a11bf677c43c070069fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.609469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074875/publication.md
observed 84d8e1b5d30f22974686a9febd3e42a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.590481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074875/publication.txt
observed 7b416f982eee1ff51d747b96c0281cef...
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.