OpenTechnical

OT-2026-000095045

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000095045) never changes.

Identity and time

Publication numberOT-2026-000095045 · never reused
Internal UUID01a0ae9f-2df0-7627-bf1c-abab721f332c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095045
StatusPUBLIC

Content hashes

Canonical textd94105cb3069def95c49bdb5c9430695da56762b2c37f2f282db24aa3fcacb01
Markdownb9383697622e75e0af8f613720f84399d5d0ca5f7594e7fd296663d160a1be0d
PDF
Publication pagebfff8fbbb2f3b863a445ced10dac9540f0acbf5796c42c4c786378ab96c037c9
Manifest17e0b64489bf983a33bc96fcef4c6dcfd253daef27dee62ebc6c4673e2599ffa

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
SignatureUTZeT94/pF5Fb9ZUDAxdlsUF94G8aN6dGATTTLEvEad8c81wKuxZUOyiqfKIwS7ga2wMsdO4K1mD4vvOdYxrCQ==
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

2026-09-17T09:37:36.546860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095045
observed bfff8fbbb2f3b863a445ced10dac9540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.529977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095045/manifest.json
observed 17e0b64489bf983a33bc96fcef4c6dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.512435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095045/publication.md
observed b9383697622e75e0af8f613720f84399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.497302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095045/publication.txt
observed d94105cb3069def95c49bdb5c9430695...
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.