OpenTechnical

OT-2026-000019307

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000019307) never changes.

Identity and time

Publication numberOT-2026-000019307 · never reused
Internal UUID01a0ae6e-f392-7eff-8062-266e57e21102 · 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-2026-000019307
StatusPUBLIC

Content hashes

Canonical textae700e4eb1c0cc8844fe22c9d523e197896afdb090e6f7b9e55e2b2c9858c93e
Markdown20c8e1fd5c6db699c9a62787b62465cdcd09318cef72dba358e0675a5084d91f
PDF
Publication page5322a3618d50c00cbd398c663688194a6a5310847418268262592c3be2295a74
Manifestd3b5cd84dc25028f2a326458cd298916a04102d099fa44780d50d5565feab9bc

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
SignatureYm0eLPvKRaYlcGvOFKuL3jU6XJTd79HZA1PhP9QykvCvf1Q4xQvrgZgNss3FkQaPRilFCsHX8SSkGNRwy4ciBg==
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

2026-09-17T11:58:40.034949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019307
observed 5322a3618d50c00cbd398c663688194a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.015708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019307/manifest.json
observed d3b5cd84dc25028f2a326458cd298916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.995727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019307/publication.md
observed 20c8e1fd5c6db699c9a62787b62465cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.974984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019307/publication.txt
observed ae700e4eb1c0cc8844fe22c9d523e197...
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.