OpenTechnical

OT-2026-000067384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067384) never changes.

Identity and time

Publication numberOT-2026-000067384 · never reused
Internal UUID01a0ae8f-6bd8-7013-9968-3a8bf328ce6b · 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-2026-000067384
StatusPUBLIC

Content hashes

Canonical textc520cccd8a87415f64e61c162d5c8a4d2783735854d01264b6636a62048f8847
Markdown1cbf6be242c8b5665c9a7dc5a572ddf716ccf62ac16e1d6afaadab0234099b3d
PDF
Publication page9866474ed74b3c9ec58138e335650ffd703f586117e47333725ec64d2f4be9dd
Manifest4b7756ca84f5d29ececaff51317293d617299cb23baebf7d2e4210df0ec7a71f

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
Signature0dBrV8E69N3QwgXgJFmfMSZtV7N3n6upkJmrWRuGZfjAnCWur+S64gsvDfsH8/BysRn/6E0Ygqf3ViUL9wOBCg==
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

2026-09-17T10:31:34.466997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067384
observed 9866474ed74b3c9ec58138e335650ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.449685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067384/manifest.json
observed 4b7756ca84f5d29ececaff51317293d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.433181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067384/publication.md
observed 1cbf6be242c8b5665c9a7dc5a572ddf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.416327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067384/publication.txt
observed c520cccd8a87415f64e61c162d5c8a4d...
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.