OpenTechnical

OT-2026-000100532

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000100532) never changes.

Identity and time

Publication numberOT-2026-000100532 · never reused
Internal UUID01a0aea3-66f0-7463-8d69-35e7467b6f80 · 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-2026-000100532
StatusPUBLIC

Content hashes

Canonical text136222aa2f49fd3b7abbc0d705c857ea88b15819c637c45f8b1e38c237f500b2
Markdown472329d4db9f4339f517ff738eb5a423c56b2c9d6c54d99992f543aaaf139419
PDF
Publication page86aa4cfdc6add4008a441f3c562d5acff15900d2aab287341695616ae1c61ad9
Manifestfdae76fc9e362c7e04d3e49825b20ca40e44d476ac3d59dc46aed241b40df902

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
SignatureuWAuoD1/UHIMllWh0e5en5CFu09pVu2tSvOhVc9tnXJJOBKXTnRh9IKNsK1MrBt9BGbSeLBEOVN8GBxGKha7Bw==
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

2026-09-17T09:27:18.233454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100532
observed 86aa4cfdc6add4008a441f3c562d5acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.216145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100532/manifest.json
observed fdae76fc9e362c7e04d3e49825b20ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.198621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100532/publication.md
observed 472329d4db9f4339f517ff738eb5a423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.179276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100532/publication.txt
observed 136222aa2f49fd3b7abbc0d705c857ea...
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.