OpenTechnical

OT-2026-000092323

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000092323) never changes.

Identity and time

Publication numberOT-2026-000092323 · never reused
Internal UUID01a0ae9d-875b-7068-bc51-af88243df2ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092323
StatusPUBLIC

Content hashes

Canonical textca73744236b8acbddf9da835b4a1ef6653cf68d1ede2c6fd99dd87aa805e5052
Markdown8121ce1e02228445f6c9ab92d369c28e8a9b0d4fbbf2a3de6173688eb54e9d70
PDF
Publication page5208c721624d15d1722c301a0e7e5e097519046b9f920c913e42b74e6cd5f88c
Manifestb6b7d756d989d9d6b38220a3b9ed9b626527efd43db3cf0ca40a1907b04ddd34

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
Signature505QoNHZx8704RY5JVb5MydUa25KC6FLqPxCMrCOaecIVrNUN6IEdu0Ea9NGCpMqYcHy7je5htuxp/3nZBAdBg==
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

2026-09-17T09:41:52.071480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092323
observed 5208c721624d15d1722c301a0e7e5e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.054393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092323/manifest.json
observed b6b7d756d989d9d6b38220a3b9ed9b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.036650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092323/publication.md
observed 8121ce1e02228445f6c9ab92d369c28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.019285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092323/publication.txt
observed ca73744236b8acbddf9da835b4a1ef66...
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.