OpenTechnical

OT-2026-000045430

Publication integrity record

Six pad foam 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-2026-000045430) never changes.

Identity and time

Publication numberOT-2026-000045430 · never reused
Internal UUID01a0ae7c-f76c-7eb4-b854-ed79e69d141d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045430
StatusPUBLIC

Content hashes

Canonical text7f97e74fedd48b2ec435ace3dbca3c9b5bcd4e9f39b54fb3bccaeb4f90faa419
Markdown24c6c9ce88c86f21adbf31973a71bd312fd2f17109d12e3794ef7cd4cf36a6b5
PDF
Publication page15cad53657d4bfacb7c2758dc1c75a6722f2bfcb1042fdde2fa4bebc646bc67d
Manifestef9359d9ef4392613e52bfba4172f2af6e8887289cdff755fcac1e89fcd57ca1

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
SignatureL75/9qbtNFwgS+7cZoMiC3Iinw3B+0Mulh77npvPA20i1HRVduL6kvtjcRoxjrf5jnCRqoL7fWi6lcL3Hm30Cg==
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

2026-09-17T11:10:43.554606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045430
observed 15cad53657d4bfacb7c2758dc1c75a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.536325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045430/manifest.json
observed ef9359d9ef4392613e52bfba4172f2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.517081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045430/publication.md
observed 24c6c9ce88c86f21adbf31973a71bd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:43.499399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045430/publication.txt
observed 7f97e74fedd48b2ec435ace3dbca3c9b...
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.