OpenTechnical

OT-2026-000013613

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000013613) never changes.

Identity and time

Publication numberOT-2026-000013613 · never reused
Internal UUID01a0ae6d-8de8-7254-b476-21f3b82ce37e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013613
StatusPUBLIC

Content hashes

Canonical text31959088e7de0157e1d1cd00dccea65d0cadda6c2b50343f9cdced280a53e445
Markdown1de660630cdcc59d06c33778263250d8a4400c00ca4da8437ed68c674701ec76
PDF
Publication page2f96753232b3b78c0390eaf827626e390bc79cbd3f44fc319e098552e3707cb3
Manifest5737bedc6bb3acc091df77fa0b88b812d9c20f1fecb81a9ed56afe5e7d7792a9

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
SignatureQVsXzOQL8PFrQ/H+g28I+S/wFqxL372xCXCf/w9dREWsaMTyejoAzv/9/p6zUuMtzdxrBm5WaD5sjBzH4QTACw==
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

2026-09-17T12:10:31.422661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613
observed 2f96753232b3b78c0390eaf827626e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.401943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613/manifest.json
observed 5737bedc6bb3acc091df77fa0b88b812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.381291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613/publication.md
observed 1de660630cdcc59d06c33778263250d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.363405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613/publication.txt
observed 31959088e7de0157e1d1cd00dccea65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.480818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613
observed 2f96753232b3b78c0390eaf827626e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.462997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613/manifest.json
observed 5737bedc6bb3acc091df77fa0b88b812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.443841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613/publication.md
observed 1de660630cdcc59d06c33778263250d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.425326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013613/publication.txt
observed 31959088e7de0157e1d1cd00dccea65d...
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.