OpenTechnical

OT-2026-000013469

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000013469) never changes.

Identity and time

Publication numberOT-2026-000013469 · never reused
Internal UUID01a0ae6d-6fca-71c8-ae05-a86b495f9ab9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013469
StatusPUBLIC

Content hashes

Canonical text569933609af342c3791a697b6f8d587d9513b470105617c14f42fbde9ed30ac6
Markdown9aef2c52679ed8d70b9e0416f7defd01141acfc77b2c19df6b3bd183e23f0f6a
PDF
Publication pagea940916e0ad4fc935ea6d6fc4343a61420885a665410a8592de0cec2c066bdeb
Manifest03b076db28515bf18616f8fb0ca190e5b8f945525de21b9d1ec0f424223951fd

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
SignatureCzKXPjgz5dZCHOe5TIwxKP21DICfPw3w8uffiDbcDspmPUHPV9W9llDL+DUgHB8s++nBHnQLlrWDw7kjm/DOBg==
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

2026-09-17T12:09:58.095149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013469
observed a940916e0ad4fc935ea6d6fc4343a614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.078566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013469/manifest.json
observed 03b076db28515bf18616f8fb0ca190e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.059235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013469/publication.md
observed 9aef2c52679ed8d70b9e0416f7defd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.039893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013469/publication.txt
observed 569933609af342c3791a697b6f8d587d...
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.