OpenTechnical

OT-2026-000097224

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000097224) never changes.

Identity and time

Publication numberOT-2026-000097224 · never reused
Internal UUID01a0aea1-01ca-7783-900c-c194913f6fd8 · 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-2026-000097224
StatusPUBLIC

Content hashes

Canonical text88453db4574b5d65adc20a6c42d0d78152d2b913fc39b76c754ccdce01a292a6
Markdown4ce23128490eb09cc9ede98b560efb4f1102fc563baeb1623f3deb79eb635c69
PDF
Publication page01ec029b5b2d8cff97c17a7150f70f536d26d20167e9adf7ff43621dd3d5605c
Manifest4eaf78a1371d82cd2d3f69310065c9ee9f672c7e6afc4bf1e07e4a03dd1e94b4

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
SignatureBuw6t/bgrH4JcCIMELhZ3BXjK2+M/uF3qopqjnSvTE8dOgUNPTg1e12aJzlB+KFCR6FtzLkUiyiEEIAk4C2CAg==
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

2026-09-17T09:33:28.337650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097224
observed 01ec029b5b2d8cff97c17a7150f70f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.322080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097224/manifest.json
observed 4eaf78a1371d82cd2d3f69310065c9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.305563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097224/publication.md
observed 4ce23128490eb09cc9ede98b560efb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.288906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097224/publication.txt
observed 88453db4574b5d65adc20a6c42d0d781...
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.