OpenTechnical

OT-2026-000092644

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000092644) never changes.

Identity and time

Publication numberOT-2026-000092644 · never reused
Internal UUID01a0ae9d-b5ff-7055-aa26-cdf091df8c69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092644
StatusPUBLIC

Content hashes

Canonical text1f31da8a8ec63cec020267768768a505f2d1f6c69dbc1d2fca56e43cc0229812
Markdown7feca272b66468834f779bcf44328960d108687dc1eab559847922431bae5d14
PDF
Publication page219b66d117b3c8c256d298cbe8eed55524da9d85893a27173a2a2912fec6ab1e
Manifestb390cba6b0ec4ea2338daf2cc087d053568b2199c22ead61f3299a6d5e1fb959

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
SignatureRli+mp+5xbu7/2sTbrkizR058719yO7eRl2G+Nm2mp6JHKLMDShxicZG2T03GDFjPa+H5EuzM9bRXa+24/SoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:14.879792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092644
observed 219b66d117b3c8c256d298cbe8eed555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.862943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092644/manifest.json
observed b390cba6b0ec4ea2338daf2cc087d053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.844201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092644/publication.md
observed 7feca272b66468834f779bcf44328960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:14.826036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092644/publication.txt
observed 1f31da8a8ec63cec020267768768a505...
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.