OpenTechnical

OT-2026-000015687

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000015687) never changes.

Identity and time

Publication numberOT-2026-000015687 · never reused
Internal UUID01a0ae6e-0c4b-7087-bd5a-d3fdfd62fcff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015687
StatusPUBLIC

Content hashes

Canonical text63500f12c87995678c52cafc0ae12a5e7025f894de777d41d006f528589dbbe1
Markdownb57ee735f08992699b87ed5151579a67f164cdb1ed229265981566c03ad4271e
PDF
Publication pageaa74fa531e21414c75c5a39ccce875479ad4142c27d16ff510f4b992ec096b73
Manifest788b84670d4b3bbf29f79b5c30c231e3859b5470650c511a3f75b1c4f8801bac

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
SignatureV4fNc5HzM8YmvuOqBs2XYS7nr7HtjHZLvy5PkwvL9nsJANbQ7xkMSSxb5Opx+v5Oh1VMMaNnDXYX1xPJv2bhAA==
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

2026-09-17T12:04:57.661600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015687
observed aa74fa531e21414c75c5a39ccce87547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.644384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015687/manifest.json
observed 788b84670d4b3bbf29f79b5c30c231e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.625007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015687/publication.md
observed b57ee735f08992699b87ed5151579a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.605361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015687/publication.txt
observed 63500f12c87995678c52cafc0ae12a5e...
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.