OpenTechnical

OT-2026-000098167

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000098167) never changes.

Identity and time

Publication numberOT-2026-000098167 · never reused
Internal UUID01a0aea1-e964-782e-90ba-00db0755940e · 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-2026-000098167
StatusPUBLIC

Content hashes

Canonical textc166c76b512df972dd3ee3007dd82bd38d5975fa53f586067137101d6f74a4ae
Markdown48e689ddf4d118c313cc0615c9455aa1cc7476a6661617e2047e3f777738b30f
PDF
Publication pagef03475e9e8eb61a59fd6fcf758a034f39de7770124bb07f86ec77476875fc78a
Manifestf227c0770242443fcdc291061da7315501b0bad7466280cd1e770bb9c5b692ad

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
SignatureVf1i8B9e4d6Gm2HZic5toAN10kObWI+ZVB6uDVlnNsyLSVu4imsNw5znxlbeeXoyxDmz/U7nPPLvgfmP0UYlBA==
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

2026-09-17T09:31:19.192348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098167
observed f03475e9e8eb61a59fd6fcf758a034f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.175821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098167/manifest.json
observed f227c0770242443fcdc291061da73155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.159650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098167/publication.md
observed 48e689ddf4d118c313cc0615c9455aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.141957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098167/publication.txt
observed c166c76b512df972dd3ee3007dd82bd3...
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.