OpenTechnical

OT-2026-000100692

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100692) never changes.

Identity and time

Publication numberOT-2026-000100692 · never reused
Internal UUID01a0aea3-66f3-7939-bcf7-41c54d38b11e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100692
StatusPUBLIC

Content hashes

Canonical text9cd05212cbf8acfdf4475f10af7f2ba33bff7c6e1529846b8b860268bea622e2
Markdown083c7523538e8850b51d526270da8733d3bb0043c723badea6a431771dfc9f94
PDF
Publication pagecb53a04a47eefbaa9b4c25bc3c5fbe996e20136cadd635103bdceb1399e965f1
Manifest0c3024bdbbb2b827ffec230554b7954b98b016546e84c7b79ebd71acfac6fd92

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
Signaturect7ZHZqQVPQVZ6y2Zc4xndpQx6afL9qfffgKSFCbpJqtQZPDPxYrnzoUMuUliS2bAn01OeDjA5VDQ1JlyxoODA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:30.561357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100692
observed cb53a04a47eefbaa9b4c25bc3c5fbe99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.544538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100692/manifest.json
observed 0c3024bdbbb2b827ffec230554b7954b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.501844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100692/publication.md
observed 083c7523538e8850b51d526270da8733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.455220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100692/publication.txt
observed 9cd05212cbf8acfdf4475f10af7f2ba3...
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.