OpenTechnical

OT-2026-000062137

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented after 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-2026-000062137) never changes.

Identity and time

Publication numberOT-2026-000062137 · never reused
Internal UUID01a0ae8b-b8b0-79de-8fd9-5b0346eb4e32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062137
StatusPUBLIC

Content hashes

Canonical text3e4cd75adf9402b7507f29336acf53dbbf9123d3c756a205363d423e86c14253
Markdownfad7edaa1c01caec8500e55bb2eda1e82cf8b636787f0cdb61c9072ff55735d3
PDF
Publication page3bc15f0478291a92a0e31d97ec207ed21c4c1cf8fe376ea687b37b518864f0e3
Manifest1da78aadd64869f207e33f0a039d5c0a3b4e167d8afcc6edcb18aec36a148054

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
Signature3Eip+MnPrTjoIcU+ue8ZCPG4TkFE1JYd7NBXYH3wJsJi0FW96+Rzx9gr+hAWMXcwTZ1j9Usumk1KZK1bo5ArBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:12.271377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062137
observed 3bc15f0478291a92a0e31d97ec207ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.254035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062137/manifest.json
observed 1da78aadd64869f207e33f0a039d5c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.237181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062137/publication.md
observed fad7edaa1c01caec8500e55bb2eda1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.218855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062137/publication.txt
observed 3e4cd75adf9402b7507f29336acf53db...
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.