OpenTechnical

OT-2026-000079847

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000079847) never changes.

Identity and time

Publication numberOT-2026-000079847 · never reused
Internal UUID01a0ae96-4376-7ac2-8fb2-05079e5e9c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079847
StatusPUBLIC

Content hashes

Canonical texta438701ae1936d67cadc681ae05223e3a6da33fb586c9429a3b9e347481960e9
Markdown44833c2edf885cf0bf35d33374612a44eb0fe184517ba679145a60f8328a9b94
PDF
Publication pagebf2cf0fa5aabb4d79f5bce597f8fdaf932d79ecbfa9edd37d73851fd1b4d6480
Manifest8f6c63150c0dbbf3cbb2a143f6262a06068149762c88d40b5a354cbddd21f749

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
SignatureH2x9Ev0yOI9CfzGL1Yh3WpdxxJ0wzn/fOdtkTC1431uJqgmM5gSniaLeCh+5Fkq0yq91imllXdHZecgYTUIyBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:44.056124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079847
observed bf2cf0fa5aabb4d79f5bce597f8fdaf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.037723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079847/manifest.json
observed 8f6c63150c0dbbf3cbb2a143f6262a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.018609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079847/publication.md
observed 44833c2edf885cf0bf35d33374612a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.999111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079847/publication.txt
observed a438701ae1936d67cadc681ae05223e3...
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.