OpenTechnical

OT-2026-000020952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000020952) never changes.

Identity and time

Publication numberOT-2026-000020952 · never reused
Internal UUID01a0ae6f-65e4-7412-a3b1-c49aaabc380d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020952
StatusPUBLIC

Content hashes

Canonical text5a4abd5fbe5ffbfc43bef51827dd214c39d02378dc754b9c3e9b30cd5a40b59b
Markdown1a085aefc2421816dd46d2401dcae2d7c7b7615c1d59e7be015373aac7221308
PDF
Publication pagebfed91fcc15834ff00314d3c9b43a20a9adb77d207e28a8f801816a62f68563a
Manifestc7e4363281b1c84c75159a98937bca8a1744b71012f5be260c985f1d66632773

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
SignatureHKapgXgsInReZ7qm1rFXcpKa8VvhTwJoNn37TLdbYnn278iT70PzcyY5mUmh/pNt/ir5A1dGXIyYv/BYRKthBQ==
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

2026-09-17T11:56:05.589031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020952
observed bfed91fcc15834ff00314d3c9b43a20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.572298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020952/manifest.json
observed c7e4363281b1c84c75159a98937bca8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.554537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020952/publication.md
observed 1a085aefc2421816dd46d2401dcae2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:05.536789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020952/publication.txt
observed 5a4abd5fbe5ffbfc43bef51827dd214c...
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.