OpenTechnical

OT-2026-000017691

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000017691) never changes.

Identity and time

Publication numberOT-2026-000017691 · never reused
Internal UUID01a0ae6e-96fa-7ffa-9363-dab8b0989035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017691
StatusPUBLIC

Content hashes

Canonical text4b3376e82928e8e4814259c67d7118a0656742cf229f945373ab808a05635410
Markdown3460813ab3b6594aef0670472fa5d77c4e75e03a79cc97d753fa6a77f37bf6a6
PDF
Publication page2e95c6039190db8d9529b9e7a1174a2757192456580fb2ece90473630c40d81d
Manifest449046a93a125830adfe3a93062aaf342f3f5477b25488508e5b78577f129f3f

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
SignatureVtyFtlAqP85AsRZcnvGlyR3QCaITZsUycdPQtJ8JKQNhJde8zs1TOwGCNmX/VDNfUxv1Fjbt9yMOeAIdAEzXDw==
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

2026-09-17T12:01:38.172453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017691
observed 2e95c6039190db8d9529b9e7a1174a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.155628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017691/manifest.json
observed 449046a93a125830adfe3a93062aaf34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.134496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017691/publication.md
observed 3460813ab3b6594aef0670472fa5d77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.117160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017691/publication.txt
observed 4b3376e82928e8e4814259c67d7118a0...
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.