OpenTechnical

OT-2026-000012356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000012356) never changes.

Identity and time

Publication numberOT-2026-000012356 · never reused
Internal UUID01a0ae6d-39f6-7b0d-b34e-8b2b66dc9de3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012356
StatusPUBLIC

Content hashes

Canonical textcdfcd0b595eed71e7b11b49844c52e383c0aa42c2949ae0db29fe0f0ebca8c03
Markdown841bfee6b11e7654d3bb21ddd33bd6118782e88b0f4250d7292a7022a1e1a098
PDF
Publication page0a94bf6a0e994111317247c39a99e23f6cefa58793c01828f9cc44902ee2e592
Manifestf4211f639b437c9c47cc6827ec6b8978405b93b31d335da3b23a46dbec7dc4c6

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
SignaturejuYstjV8qWwejhEUVkGBHdVMLEiJ4TPC9yrXdjUyPtGH930ggSreR/PkKxWDgsDtH8i9pipzYRvTONPkDaVnCQ==
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

2026-09-17T12:11:50.384208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012356
observed 0a94bf6a0e994111317247c39a99e23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.365619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012356/manifest.json
observed f4211f639b437c9c47cc6827ec6b8978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.348290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012356/publication.md
observed 841bfee6b11e7654d3bb21ddd33bd611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.330012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012356/publication.txt
observed cdfcd0b595eed71e7b11b49844c52e38...
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.