OpenTechnical

OT-2026-000061939

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000061939) never changes.

Identity and time

Publication numberOT-2026-000061939 · never reused
Internal UUID01a0ae8b-b8ad-7777-ba33-02ec89179e35 · 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-2026-000061939
StatusPUBLIC

Content hashes

Canonical text0397e21020aeebd6230ea8b818135184e8ef6542fcdeb1ad83705a568d15e64d
Markdown328e9b75b79067aa2997c046bc9bbe8a1767963793bbf8d712cc13eb0c78ef22
PDF
Publication page0fec6070569ad7f09abcd3a19d7fb155f8e44ff0468da5ee05b8283ecb9fe9ac
Manifestfcfbe87baeedbd325fcf224a55a5bbd95997020063f1dfde86b54550af170a8b

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
SignatureI+AM2ySl1ZvKW/g13CZt7o7Yv0TZqEB6fj9Q3LVQ3WDLnvA9EBNS0JTNVK2GE0VmcX1GTURqV5D6DUjFmi+rDA==
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

2026-09-17T10:40:50.012905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061939
observed 0fec6070569ad7f09abcd3a19d7fb155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.987953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061939/manifest.json
observed fcfbe87baeedbd325fcf224a55a5bbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.962681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061939/publication.md
observed 328e9b75b79067aa2997c046bc9bbe8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.940186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061939/publication.txt
observed 0397e21020aeebd6230ea8b818135184...
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.