OpenTechnical

OT-2026-000040365

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040365) never changes.

Identity and time

Publication numberOT-2026-000040365 · never reused
Internal UUID01a0ae79-2701-7784-92f8-fd57066c42d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040365
StatusPUBLIC

Content hashes

Canonical text2ba065f8184b944ee6bfe4487b9c3f529677f249db4ca9ef915a7c9eac4fa35b
Markdown3b5ead5094ab13117ec64df4c914cdc74b61b203b62853e83f52f6b1e3d77b9d
PDF
Publication page40cd70ef475e3cc0e4b9a6a31b1f27d75d196bdc673c2125534ee4f35cf86797
Manifestebd9b68686250df9e4a9b04dc98c2a8edbd28878e67469881561b360307cd149

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
SignatureSdhYeDDepGnUZOI0RIGeqNyJMQEzhc7pbUolCMRYR7hQ7UjmjHaCwGDppUoApwwvw9F5TZU8f1SYL/s+bvAIBQ==
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

2026-09-17T11:19:22.844139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040365
observed 40cd70ef475e3cc0e4b9a6a31b1f27d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.825903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040365/manifest.json
observed ebd9b68686250df9e4a9b04dc98c2a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.807702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040365/publication.md
observed 3b5ead5094ab13117ec64df4c914cdc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:22.788666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040365/publication.txt
observed 2ba065f8184b944ee6bfe4487b9c3f52...
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.