OpenTechnical

OT-2026-000006119

Publication integrity record

Bellows cup vacuum gripper, two zone face, pump fed, pressure verified, plastic cups, two fold

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-2026-000006119) never changes.

Identity and time

Publication numberOT-2026-000006119 · never reused
Internal UUID01a0a94f-feca-717d-ac52-a7942b3c2fde · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:07.212748Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006119
StatusPUBLIC

Content hashes

Canonical text8b30cb7fd3d6ffac0a445e121a8a38484874212ba0ec00699ef1a996f405444b
Markdown146674fe4da75bbd69258b947366b4f9271272da92caac74efd05592664c196b
PDF
Publication page5676918a912650561732fa02a137ac19f6ae9480dc68c80e90439a1a2037f8de
Manifestd95cb6518910f26e480331f4d21075be26170daae968cf20ddfd1c252c14a3fe

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
SignatureH1A1JowbSUTi2zz1of7xSYHCdrQFModkQ/qqtrYki6ycjIT8VqSW0otUWdsTfthwXBdm5EW1prg3dD/E0AunBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:25.394664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006119
observed 5676918a912650561732fa02a137ac19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.380422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006119/manifest.json
observed d95cb6518910f26e480331f4d21075be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.242175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006119/publication.md
observed 146674fe4da75bbd69258b947366b4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.227074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006119/publication.txt
observed 8b30cb7fd3d6ffac0a445e121a8a3848...
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.