OpenTechnical

OT-2026-000007567

Publication integrity record

Foam pad vacuum gripper, 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-2026-000007567) never changes.

Identity and time

Publication numberOT-2026-000007567 · never reused
Internal UUID01a0ae62-4df7-73a8-a891-a065713b79df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007567
StatusPUBLIC

Content hashes

Canonical text1ef2af0befe7f0dab9834e46a5b4c72c96fe0a624402a5ae4e88206046dab1fa
Markdowndab03b86dc32aebf471227254e266356142d0d24a1e0dbd2974a84ed218c9c0e
PDF
Publication page1347afc579ebb3090a89f9e9699b91061e85aebe9b6b90dd686e7be486a6331c
Manifest5aa7cb14dcfcb91ad231f709f9d147ffe57348c13783c379fcf54d49ed834a23

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
SignatureS8sDQjvcrGpCZ+bDzRJvEi5MEIdMnW961meK3ptDNO+4kme1PowetfB0nsrrYLEtFm5UmtU+iRjBKRn8mLu4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.865444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007567
observed 1347afc579ebb3090a89f9e9699b9106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.847661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007567/manifest.json
observed 5aa7cb14dcfcb91ad231f709f9d147ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.830728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007567/publication.md
observed dab03b86dc32aebf471227254e266356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.813589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007567/publication.txt
observed 1ef2af0befe7f0dab9834e46a5b4c72c...
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.