OpenTechnical

OT-2026-000041754

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041754) never changes.

Identity and time

Publication numberOT-2026-000041754 · never reused
Internal UUID01a0ae79-e8a2-7198-842f-afa7168d3400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041754
StatusPUBLIC

Content hashes

Canonical textbfcf2e8325f4f0d9fc464e62bdf9c0f1340f1cd4e0dc432e2518f16fce25e5fe
Markdown55ed7dc6af45eb831a5307d5d56c6988198a6277d47dd96bdc699c1f53d11fe4
PDF
Publication page80322e8b76f1a58f10c025a01ef0c74a3e2558f75f732ae7bd17581d0024684b
Manifest628a4879423c1d84f3c5de4a7b96cd6217690bbb9c4a95b517a9d7fba31e5b73

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
Signatureb9OHjlhzO6fKEhdf8CPOIDPuS+FSZIOOU3+SN/R0ud/J92KXUb1ybcjzxKCMfV8dxw8KOmkGuxgp1jSmt8kFCw==
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

2026-09-17T11:16:35.974618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041754
observed 80322e8b76f1a58f10c025a01ef0c74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.957391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041754/manifest.json
observed 628a4879423c1d84f3c5de4a7b96cd62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.938058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041754/publication.md
observed 55ed7dc6af45eb831a5307d5d56c6988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.920516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041754/publication.txt
observed bfcf2e8325f4f0d9fc464e62bdf9c0f1...
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.