OpenTechnical

OT-2026-000057642

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000057642) never changes.

Identity and time

Publication numberOT-2026-000057642 · never reused
Internal UUID01a0ae88-2694-7e90-9727-d0db351802a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057642
StatusPUBLIC

Content hashes

Canonical textf8476e6666f3415b3bd9bcdf6154680f8fee8909ca31820576f117cd6a4dcab7
Markdown30c674d8eb4c99692d1823b9c3a2139ff6cce265c4036741e5a7c1d586a085da
PDF
Publication pagec72708f2733b879b5b92214818961ccf6d6f8028b91db70b956b6b7de285d701
Manifestdb6cf4cc05df705b991ce5d70814fdee40699b67e9f27c3119b55d0c36643db2

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
Signaturet82ryz9v4fm/CpMXX/Cx6P4j6RlD9Wuoa3aJ43xKoCG6FvuPBt9ej5DE9m6lAOzyVeuvCSgi8YYqDrQl1W44AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:12.400344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057642
observed c72708f2733b879b5b92214818961ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.381584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057642/manifest.json
observed db6cf4cc05df705b991ce5d70814fdee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.364371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057642/publication.md
observed 30c674d8eb4c99692d1823b9c3a2139f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.346161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057642/publication.txt
observed f8476e6666f3415b3bd9bcdf6154680f...
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.