OpenTechnical

OT-2026-000050727

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000050727) never changes.

Identity and time

Publication numberOT-2026-000050727 · never reused
Internal UUID01a0ae82-c7b1-7c0d-aba3-61293f59ed91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050727
StatusPUBLIC

Content hashes

Canonical text7724a8c64b678c0738269ecd859af5a975754cc36ac3bf768cac52c0390ce0fd
Markdowna9df9af4cad0052348304a5d1cc0e8ebc2b0458b7dc90a189d8ca93723beee4e
PDF
Publication pagedf0127bf5a6f3e4b919182c8a68b9e6741fb910ab7c348a6cb87eaf6353d4af5
Manifest5c04ddbdffe90045978acad0f95530b2413b8247834d6cefc021a0d24aa17d8f

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
Signaturehww/DoaPVLNeOiBndW0HnQpwni6qH48WvIoTN4eZy3urMs/Jwq+/nAHTkLplss3AyWngA7fwjxGM9UJ1asBJDg==
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

2026-09-17T11:00:05.710908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727
observed df0127bf5a6f3e4b919182c8a68b9e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.690019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727/manifest.json
observed 5c04ddbdffe90045978acad0f95530b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.670745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727/publication.md
observed a9df9af4cad0052348304a5d1cc0e8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.668925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727
observed df0127bf5a6f3e4b919182c8a68b9e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.644425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727/publication.txt
observed 7724a8c64b678c0738269ecd859af5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.642843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727/manifest.json
observed 5c04ddbdffe90045978acad0f95530b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.617881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727/publication.md
observed a9df9af4cad0052348304a5d1cc0e8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.595804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050727/publication.txt
observed 7724a8c64b678c0738269ecd859af5a9...
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.