OpenTechnical

OT-2026-000042692

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042692) never changes.

Identity and time

Publication numberOT-2026-000042692 · never reused
Internal UUID01a0ae7a-c0cf-7e95-a916-f4c3fd8b9f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042692
StatusPUBLIC

Content hashes

Canonical text70dfcc28203d32d87c0f8c5331fd6eb07616a1f5d2db930e82ec84df7a9ce0ff
Markdown7c702eb72cb5ed20847d52b6d09acaab42319c023ff70ce0c773c1edccac1880
PDF
Publication page220152d2f0ba187088bdd0e9020782d05501d42f114190964668b0a55eda1f2c
Manifest03130142a349d359178fa806ef50cd2f82a61eb1197dc1d4553a87d9530db0df

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
SignatureC/u9CldpKRB6n9xSmrDKEghqD5FGJ/6iUf5eAio89YSn3zH8EIdFwvFnGDRnmY6Zd3KlWkRHcA7cGVPXOHaJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:02.985797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042692
observed 220152d2f0ba187088bdd0e9020782d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.969357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042692/manifest.json
observed 03130142a349d359178fa806ef50cd2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.948927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042692/publication.md
observed 7c702eb72cb5ed20847d52b6d09acaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.930769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042692/publication.txt
observed 70dfcc28203d32d87c0f8c5331fd6eb0...
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.