OpenTechnical

OT-2026-000025942

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000025942) never changes.

Identity and time

Publication numberOT-2026-000025942 · never reused
Internal UUID01a0ae71-a83f-7fe0-a11e-09840d795264 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025942
StatusPUBLIC

Content hashes

Canonical text20e9ccdac19db1499dae02ebfc42873372b7fa6d7bbf79feb0314dedf1148929
Markdowne939371ad455e655aa5363da1371df9a196cc21157befe3ba1ae136d79c1e0ea
PDF
Publication pagef1d9f92e065c24e7b4cefd34742d186e9c52c259b0bff01de8ff785cc57f2626
Manifest0ad97bc4a066a0158a900d0ddfc93428d43a7ed891f1bb7461ad34e82ba5eff6

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
SignaturePIVExsAI1RocEyqMe7vMMJ7JNlEaYN7q3claw835CtS9tNVN4Nx4Y5sfo6/qNrUbLCHCbTXPgNzBUj+LdI0kCw==
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

2026-09-17T11:46:18.414565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025942
observed f1d9f92e065c24e7b4cefd34742d186e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.395611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025942/manifest.json
observed 0ad97bc4a066a0158a900d0ddfc93428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.378092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025942/publication.md
observed e939371ad455e655aa5363da1371df9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.360547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025942/publication.txt
observed 20e9ccdac19db1499dae02ebfc428733...
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.