OpenTechnical

OT-2026-000015744

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000015744) never changes.

Identity and time

Publication numberOT-2026-000015744 · never reused
Internal UUID01a0ae6e-0c4b-751f-bdd3-a8928251026c · 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-2026-000015744
StatusPUBLIC

Content hashes

Canonical text9397833cbadd474fd6f1be4fb1b7de9fc45644778519a53f9c7b18476ee16246
Markdown0012a55b6a0d4e4ce830d138d82891f429dbe253410f0397d313e293e7b23d67
PDF
Publication page720fec7493e34f4e670988543f440f812ab47120c9acfbbba075b63e7ab078f8
Manifest9d3482c83f740291a18c8987828d2a17618bae6aa2eac65bb45411578b587f1a

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
SignatureCyRyxO7Gho35etbsq8Z1GVRMVIPiQZOWUv4axDKwd9EqRmXCZgebW1NqHys8vSE+v18/8Zyitmrni21jdZjUBA==
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

2026-09-17T12:05:02.094785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015744
observed 720fec7493e34f4e670988543f440f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.074388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015744/manifest.json
observed 9d3482c83f740291a18c8987828d2a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.054158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015744/publication.md
observed 0012a55b6a0d4e4ce830d138d82891f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.033524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015744/publication.txt
observed 9397833cbadd474fd6f1be4fb1b7de9f...
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.