OpenTechnical

OT-2026-000048071

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000048071) never changes.

Identity and time

Publication numberOT-2026-000048071 · never reused
Internal UUID01a0ae7f-c423-706a-8f31-9239f401e790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048071
StatusPUBLIC

Content hashes

Canonical text590ee26c3edc8da1b54726e1c2cb404f475d2433bdb23912bf5d7f882eb7b36a
Markdown6c7d7184704a1ba45ea26443b970c8f0e5b50e937daa689c6385fb30656acb32
PDF
Publication pagea79692c4e94ccac142fe680897f0a28177f1756d7cd6c4dcb182b341d722c193
Manifest3ca4a3fee0f99f92a89e18e2e343031a0b74241b5e0ad36c404faff9dc0cef66

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
Signatured9PZ66c2Lqu5zWTVcCnQelgMTYSkRZE6xQWSgrvArWHsPB0rvSIjsyv7iZNUwL/wbDIEf3LXsFBnzPSmVC2RDg==
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

2026-09-17T11:06:05.176891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048071
observed a79692c4e94ccac142fe680897f0a281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.158709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048071/manifest.json
observed 3ca4a3fee0f99f92a89e18e2e343031a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.139964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048071/publication.md
observed 6c7d7184704a1ba45ea26443b970c8f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.119902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048071/publication.txt
observed 590ee26c3edc8da1b54726e1c2cb404f...
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.