OpenTechnical

OT-2026-000098220

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098220) never changes.

Identity and time

Publication numberOT-2026-000098220 · never reused
Internal UUID01a0aea1-e964-7b18-8c6d-2b74d37e2304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098220
StatusPUBLIC

Content hashes

Canonical textcddb85f5c69ccf3c889c4f615292cf17a29c2889a4acd972d433f9370fdd2998
Markdownf773b4cd9ed0f3d5c64acf3997d17fa4485cf24cdc1a4159f51f61eb6e442cf6
PDF
Publication page4192313740b3d0e0df859c0ef42a3e04119aa05ba0f7fe31c89e070a04f8e561
Manifest7098ff5313214daeddc0c44106944afbcecac063ab001370b904dee7e71d8587

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
SignatureTIgjTCLg0eoyX9ya29YqrCnG/BZvIdE0f4njz1Rd/OAo/87xpg4qO6KxvPzSeSrdd3rhJmfGC/2D8+m9u7ZiCw==
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

2026-09-17T09:31:23.160088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098220
observed 4192313740b3d0e0df859c0ef42a3e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:23.141796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098220/manifest.json
observed 7098ff5313214daeddc0c44106944afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:23.122825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098220/publication.md
observed f773b4cd9ed0f3d5c64acf3997d17fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:23.104315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098220/publication.txt
observed cddb85f5c69ccf3c889c4f615292cf17...
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.