OpenTechnical

OT-2026-000092008

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000092008) never changes.

Identity and time

Publication numberOT-2026-000092008 · never reused
Internal UUID01a0ae9d-43bc-7bed-beb1-b4f13f250c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092008
StatusPUBLIC

Content hashes

Canonical text0ad1a450d5c16bef102a494848b79f43ed9419b733260fa2f2c572e54f76cd78
Markdown0893b67151c02387c74dfb3bdcb42e07e7c6dd44cfaa2fb119243f1ca5871532
PDF
Publication page5e18c0ff6933fe5c4abe5884b6e54d73c6f9bb94b05bfea0dbb9f868e4f43515
Manifest9da111440adfb1fa5a3cace0aed23aab40a88abfe6a2b900b47b24db496d7ce7

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
SignatureGvFfVzIXuTrv6pTdWSvwzFzGxPXlkl9AxO8Toe5qXqNO7fvA+fcNLMvHdgGu501i/RGTOnqpSvTyHO1UQXYYCA==
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

2026-09-17T09:43:01.549971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092008
observed 5e18c0ff6933fe5c4abe5884b6e54d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.514126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092008/manifest.json
observed 9da111440adfb1fa5a3cace0aed23aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.481162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092008/publication.md
observed 0893b67151c02387c74dfb3bdcb42e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:01.451756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092008/publication.txt
observed 0ad1a450d5c16bef102a494848b79f43...
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.