OpenTechnical

OT-2026-000019223

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, 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-2026-000019223) never changes.

Identity and time

Publication numberOT-2026-000019223 · never reused
Internal UUID01a0ae6e-f391-7609-8b8b-29ff2ffacba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019223
StatusPUBLIC

Content hashes

Canonical text1cecd8ac33e8698515242e8937937c83de7ec07bae5797ba02ec208a7ca99156
Markdown6483ab8b9a095ae30e6a23ffa583abd59c30e5e55bef2189ab31ba3e8b087d15
PDF
Publication page7265aa46fab9f4d9846efc9d4f96831530bde9fadb8573eb76924ad9c54d1cbf
Manifestbc86841067f878193df65b89cdf5b855ef4654ffdb3c61cb1aa64b8128f16776

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
Signaturev94oGHElmMBoQpHMKlKx8cBfsk3c6cH6+BY/RtdieZKlkKPF+IY+M4tQ8J9rCLhr8tjXN9ZB5K3Vt0uZQmHhBg==
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

2026-09-17T11:58:32.898519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019223
observed 7265aa46fab9f4d9846efc9d4f968315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.879354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019223/manifest.json
observed bc86841067f878193df65b89cdf5b855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.861595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019223/publication.md
observed 6483ab8b9a095ae30e6a23ffa583abd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.843131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019223/publication.txt
observed 1cecd8ac33e8698515242e8937937c83...
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.