OpenTechnical

OT-2026-000054007

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000054007) never changes.

Identity and time

Publication numberOT-2026-000054007 · never reused
Internal UUID01a0ae85-b3a7-703e-a630-4748bea885bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054007
StatusPUBLIC

Content hashes

Canonical textdba3b52153076e56615268a234b30df11d45aaef757a4bdf4d1612eab89a50e0
Markdown28fee83e223427e0bb937cd8a799630558f541aa1d5f63440258f7c74121d249
PDF
Publication pagefac3a1543c5fc4e2fec5133117757a82beace31ff7efd6455c1f1bcb5803cbe6
Manifest48e3e6df8137a5217dbd4acda4df1e1c337887974f934bc1fdeda4c5b6fe8904

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
Signaturechcwwn9y19wWGsvtac7fMKbt/AAuQ0Lf9lELIArPiH9NyIuBw2tS5yrt8HMpYGZOkzpn7I4Kl4zqmQw8UzkBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:15.094842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054007
observed fac3a1543c5fc4e2fec5133117757a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.070087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054007/manifest.json
observed 48e3e6df8137a5217dbd4acda4df1e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.043982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054007/publication.md
observed 28fee83e223427e0bb937cd8a7996305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.020738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054007/publication.txt
observed dba3b52153076e56615268a234b30df1...
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.