OpenTechnical

OT-2026-000049217

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000049217) never changes.

Identity and time

Publication numberOT-2026-000049217 · never reused
Internal UUID01a0ae81-134f-781a-b3d9-509686cbe37f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049217
StatusPUBLIC

Content hashes

Canonical text1896e9a4e59ce8485c9bf18bf3b366b5c673828004a33a1bbeeffe39b0a30126
Markdownab24de06507a46c327abb4ada21feff0ff9ce0fd6656aa78dccca6dcc08a1951
PDF
Publication page8aa7f0b7756efc422afe25f89dc79b4fbb5458d39b6787d7ff5d467b9187ea3a
Manifesteeccea7e2135c1f1d3b93b7bd064570a7bd09047c7167d998f067f02f3384d0d

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
SignatureveQfVcJ37dUtsqBM7JMfaAZB9hgzFkZ7kaeNk0jxL4ZRaoHLnRJe4V+nHIBkd/Ba7tk1V/XXHcQCS49B6DqOAA==
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

2026-09-17T11:04:02.137796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049217
observed 8aa7f0b7756efc422afe25f89dc79b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.118249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049217/manifest.json
observed eeccea7e2135c1f1d3b93b7bd064570a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.097475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049217/publication.md
observed ab24de06507a46c327abb4ada21feff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.076326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049217/publication.txt
observed 1896e9a4e59ce8485c9bf18bf3b366b5...
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.