OpenTechnical

OT-2026-000020042

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020042) never changes.

Identity and time

Publication numberOT-2026-000020042 · never reused
Internal UUID01a0ae6f-1fb8-7af2-ac42-6c3feef3281b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020042
StatusPUBLIC

Content hashes

Canonical texte46435f10db0155a33d8a753ce667cd54d3b8be1860ca52f64f5db2cea91ef27
Markdown5bf793e7c3fb0c9d2dc1de31e53a4df61d7d2be72938576825146b0d3a9b7f80
PDF
Publication page150400b9e0c7b47f41d9c5a8156b16cf31c648601af0aade24f4aec7239da071
Manifest02c0946faab05fe7f7efde4fcae7856ee7e28d13809a2e22caff23b1cefb5ad8

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
SignatureM67XO5qnUllryJ/yFLMknh29SnFePB/AtOBoj7hBB53td6KekThy7gdy0YofkThcJkVt6mCo3eeT8DU0RCgsCg==
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

2026-09-17T11:58:18.128013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020042
observed 150400b9e0c7b47f41d9c5a8156b16cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.108313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020042/manifest.json
observed 02c0946faab05fe7f7efde4fcae7856e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.088875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020042/publication.md
observed 5bf793e7c3fb0c9d2dc1de31e53a4df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:18.070088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020042/publication.txt
observed e46435f10db0155a33d8a753ce667cd5...
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.