OpenTechnical

OT-2026-000098214

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-2026-000098214) never changes.

Identity and time

Publication numberOT-2026-000098214 · never reused
Internal UUID01a0aea1-e964-7f9c-ba05-1a8d749b28b5 · 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-2026-000098214
StatusPUBLIC

Content hashes

Canonical textec6446643e222b03293e84dfb12409e1ca7b1914c362a3332a029e84cd481a9a
Markdownfdf620b73b93ca04dd7aff6d00e79dc31701a482d9a4f2166db3480bd288862f
PDF
Publication page5cf604181f75cf260b1153fa3a980a589e52ea72cbb7cda8fa389c1a21a9ceb8
Manifest859f04c5f10df13bec82087407c0916a259d7a2661ea0d9c6eb615f399ee7d81

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
SignatureAYksQb3aw6KSAXtP9T+gAAmiil7OKv4hyJwB9rhVYpyCYijaWKJZAMeP0xbtA4WdLIzQy3KtvqA+zJS9HGblDw==
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

2026-09-17T09:31:22.704840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098214
observed 5cf604181f75cf260b1153fa3a980a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:22.674716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098214/manifest.json
observed 859f04c5f10df13bec82087407c0916a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:22.656974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098214/publication.md
observed fdf620b73b93ca04dd7aff6d00e79dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:22.639598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098214/publication.txt
observed ec6446643e222b03293e84dfb12409e1...
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.