OpenTechnical

OT-2026-000009347

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000009347) never changes.

Identity and time

Publication numberOT-2026-000009347 · never reused
Internal UUID01a0ae6b-7561-72ab-876b-63ac8c59ab1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009347
StatusPUBLIC

Content hashes

Canonical textc2e4953b72f09e963ea63667b3b6228ddf33b4b1b9ce7c27e0e887603a733598
Markdown87eea992b8380e06b119f7b1a19ab88913f6dee109230814afd3b31124e31d2b
PDF
Publication page85611fc250b19c89483afc3ff7744e0324b4a6e0ef00a26705bcb715ab610b67
Manifest14780770a1189433bc8ebfe99ef43de0c963bab97e1ae904192bc12c2357809a

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
SignaturesAn3t3iqcPKbwwSb0kGlMslv/4VAz/WMxeESkzWfllvXJiLuIJ2cybx573Zmn39o/zy+Ihd8tokkLflFcHEgAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:36.619536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009347
observed 85611fc250b19c89483afc3ff7744e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:36.601806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009347/manifest.json
observed 14780770a1189433bc8ebfe99ef43de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:36.583993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009347/publication.md
observed 87eea992b8380e06b119f7b1a19ab889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:36.567759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009347/publication.txt
observed c2e4953b72f09e963ea63667b3b6228d...
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.