OpenTechnical

OT-2026-000066175

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000066175) never changes.

Identity and time

Publication numberOT-2026-000066175 · never reused
Internal UUID01a0ae8e-8dc3-7603-8864-91d8f4bba268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066175
StatusPUBLIC

Content hashes

Canonical texte8e96f94c0c5943da65691cbeafc9edfa257c1ef39e0e9927219461e1a43c30c
Markdown97229c33aa29118ebf6d7732a76118f4f2dac886ba747b37a14e5b631ec16413
PDF
Publication pagefbc5723597e02ec5ec9a20d8ba3f520114b874bb08f1f1c4149230e81c546703
Manifest9611aff4df7c5cec76ffbc1fd19922ef870cbc36144e1600ab76fb4763dcd0aa

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
SignatureSS2DCTG8id1Ii+mbbeYO2c5txyNyRZcim1XBAXGrWXfQsqNzw1HW9J3/M8zI5LvLQjDRQzyIjO389SV5WIVlDQ==
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

2026-09-17T08:51:08.324102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066175
observed fbc5723597e02ec5ec9a20d8ba3f5201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:08.306432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066175/manifest.json
observed 9611aff4df7c5cec76ffbc1fd19922ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:08.282685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066175/publication.md
observed 97229c33aa29118ebf6d7732a76118f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:08.263772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066175/publication.txt
observed e8e96f94c0c5943da65691cbeafc9edf...
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.