OpenTechnical

OT-2026-000003914

Publication integrity record

Bellows cup vacuum gripper, two zone face, three outlet manifold, ejector fed, contact triggered

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-2026-000003914) never changes.

Identity and time

Publication numberOT-2026-000003914 · never reused
Internal UUID01a0a90b-719c-71b9-8646-2f1224dc5f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:14.622567Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003914
StatusPUBLIC

Content hashes

Canonical text64e447bc77674dfdcd26ebe9bbbcff07535f946dce2b9450202313da6b01b695
Markdown7d260c7eb2d8f52a0170905f4c2263d79ac60b31dc5c60f5e8cfb0dae0ccfef4
PDF
Publication page1fca1a3e5ab26082c5666c4dcaa325068e2a28e43077702d24a67dbb753b1d56
Manifest30f4bd1db49020a09973e0e3f9704fca1a16cdfdb1111c2f415cf6c5e3038654

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
SignatureCH4jvkHDj+0jDazLIAIR9stnjsv/J1gOwhQ2+ad9pIgi9Ht3V9qOyk5DpPg/XWkcUY6hFPdwzt9uGrrsQs+RDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:12.618375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003914
observed 1fca1a3e5ab26082c5666c4dcaa32506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.603099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003914/manifest.json
observed 30f4bd1db49020a09973e0e3f9704fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.589044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003914/publication.md
observed 7d260c7eb2d8f52a0170905f4c2263d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.576469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003914/publication.txt
observed 64e447bc77674dfdcd26ebe9bbbcff07...
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.