OpenTechnical

OT-2026-000097004

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000097004) never changes.

Identity and time

Publication numberOT-2026-000097004 · never reused
Internal UUID01a0aea1-01c8-7b0a-84f7-d687d28c44f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097004
StatusPUBLIC

Content hashes

Canonical text9894b6c91b29e72e953b50797b646eb7199b6e9e716c9478bb146d6458e78410
Markdown23fac719ad505e03a6ecde8c6d465428c627221c7240f3d1ab56590408ca89c2
PDF
Publication page1526de72c9d1f4ecf9af6bc7f520bb82d08a1d6eae65eda34cfc07c1f0da8740
Manifest60c49920b5965dca224775398a46134a1dc0da8efe92d93eb342bc1b64016435

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
SignatureIsLVVnppvEqwktsqYsk8fnUnB+EdV8Jm81yyE649Rpy7jmlaP6eEIe7JuYif1IJgBq2TjXCWAZzZwY7T8Zu5AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:28.100707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097004
observed 1526de72c9d1f4ecf9af6bc7f520bb82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.966026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097004/manifest.json
observed 60c49920b5965dca224775398a46134a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.947074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097004/publication.md
observed 23fac719ad505e03a6ecde8c6d465428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.930112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097004/publication.txt
observed 9894b6c91b29e72e953b50797b646eb7...
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.