OpenTechnical

OT-2026-000055925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented before 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-2026-000055925) never changes.

Identity and time

Publication numberOT-2026-000055925 · never reused
Internal UUID01a0ae87-0a4a-71aa-a952-cfb36638b501 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055925
StatusPUBLIC

Content hashes

Canonical text1b110d3f585fb988c1ae9e0901703c62a0ba1521d9ce40607abe57031884569e
Markdown633fdb7e49cce3c73484a6e8c225e3b5c38bc24af4473578d8383ba296be39ce
PDF
Publication paged62c5386f4257f9fc31515c7c4d793dfb074935ef79476804f579a30efcb2003
Manifest66cd8990e28702664d2625796a0cd969c42b9c5fe791a538030f9dd5b03c96a4

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
SignatureRYt3cUvMJjUwE4O7B2Gqg2mQAFU8Iz++oBBf8lfv2M/O/5hoS6RJEbLW+6MZpjcXdJVUT/XDHrEIqlsNZFR4Cg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:26.149204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055925
observed d62c5386f4257f9fc31515c7c4d793df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.131442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055925/manifest.json
observed 66cd8990e28702664d2625796a0cd969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.113026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055925/publication.md
observed 633fdb7e49cce3c73484a6e8c225e3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.095218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055925/publication.txt
observed 1b110d3f585fb988c1ae9e0901703c62...
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.