OpenTechnical

OT-2026-000044482

Publication integrity record

Foam pad vacuum gripper, 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-2026-000044482) never changes.

Identity and time

Publication numberOT-2026-000044482 · never reused
Internal UUID01a0ae7c-39d8-7358-bb08-bf4793c77ffb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044482
StatusPUBLIC

Content hashes

Canonical text670af23168ec5da61e74678e2454e380f538cc0d454dd81f620215de19736b15
Markdown32338f8600411a06089dec6dacc592ee00ecddc57da02e34d4d51155f8f81e0f
PDF
Publication page6717f4a3cbd0230964a3c70cddaa3aff67d59a05c23aa057e60697b52339633b
Manifest5af6f03578a60b10e1ec83b490690b6b8dd2dbb994cfb1bed0034a29e1b24027

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
SignatureNNJ34nrRfGquU25NSAmAPjRt+dvjn7q2Zw6h4IOY3zyy5ysHy912UZk7fRqed+Tk1rcHikt68zI0yiVhii2pAw==
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

2026-09-17T08:30:55.332239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044482
observed 6717f4a3cbd0230964a3c70cddaa3aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:55.314210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044482/manifest.json
observed 5af6f03578a60b10e1ec83b490690b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:55.294487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044482/publication.md
observed 32338f8600411a06089dec6dacc592ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:55.274397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044482/publication.txt
observed 670af23168ec5da61e74678e2454e380...
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.