OpenTechnical

OT-2026-000029292

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000029292) never changes.

Identity and time

Publication numberOT-2026-000029292 · never reused
Internal UUID01a0ae73-2aa1-7de7-b336-21684ab3d453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029292
StatusPUBLIC

Content hashes

Canonical text1d9ee2a412dc8f62fcfb8d2072babb0fc53fdf9771f4ff903153ca3bfc61df00
Markdownf1ce5055481137eafc403b2289ebbe731bdc9fb13f59ac1740a863fbb25ae713
PDF
Publication paged4e78e5f60ae80a9e189741f4fa20b2083aa2aed5e4cbb63cc1ba33d9832466e
Manifest5ae3d534fceceaa695f6b9044e1f7259459b6263311fb139e8e7c6d82a31ce3c

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
Signature7mxJ82iNmipGDR+n1ByYwDWT9mZLsOnkqrhzv+TSGyPVVVPd5FLfg28uLLEATMIOAw3crCqWr+19n+M01oXWAg==
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

2026-09-17T11:39:55.768295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029292
observed d4e78e5f60ae80a9e189741f4fa20b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.750466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029292/manifest.json
observed 5ae3d534fceceaa695f6b9044e1f7259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.731995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029292/publication.md
observed f1ce5055481137eafc403b2289ebbe73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:55.713201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029292/publication.txt
observed 1d9ee2a412dc8f62fcfb8d2072babb0f...
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.