OpenTechnical

OT-2026-000042762

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042762) never changes.

Identity and time

Publication numberOT-2026-000042762 · never reused
Internal UUID01a0ae7a-c0d0-7551-a61a-0c1c2e8e8583 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042762
StatusPUBLIC

Content hashes

Canonical text6e1332a574c40599b102f5caefa30c43c37099c17c6635f1ea712c6b2294c89c
Markdown0bce5eb80576cf0ab5dff86b22cc4b130774200c44c074ddfac275f1ee3de683
PDF
Publication page7dc8708e04ecac52b33197854dfa643e4114c41890a8b55f7c6061836b40fcdf
Manifeste91c20891e396cd1b5214cefc9324ae3e23dd7e0f5e684c7182257c5e274cb37

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
Signature4RCavGNUYDHAgoJQz9ROmm7xXcovLoXa9/yc/HnK7tQr1ZGM9d69DS7YQ+xUqjeBAOBudzZ8RA9r+YSQc4FqAA==
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

2026-09-17T11:15:13.067403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042762
observed 7dc8708e04ecac52b33197854dfa643e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.047760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042762/manifest.json
observed e91c20891e396cd1b5214cefc9324ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.026887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042762/publication.md
observed 0bce5eb80576cf0ab5dff86b22cc4b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:13.008279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042762/publication.txt
observed 6e1332a574c40599b102f5caefa30c43...
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.