OpenTechnical

OT-2026-000012298

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000012298) never changes.

Identity and time

Publication numberOT-2026-000012298 · never reused
Internal UUID01a0ae6d-39f5-7b71-a769-2d4e85cf0471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012298
StatusPUBLIC

Content hashes

Canonical text4c0a8983a92eb4427104c7923ab4f7ec5144480e65faa7c3fc99296f01d0efdf
Markdown9cf5bb11128310461fc8567cdb1fed6ecc79b086caeff11ca310dca454bdaa28
PDF
Publication page253f2e2a816373b149d3176924e654ada5d3708919e416dee8b6552a1ab5b774
Manifestda8c6337e461239728bfcd7739730d2b7abdbb355ba47909bce6e7b0768da5fe

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
SignaturegTb2hR0eVlbJi6CMNhGThqKAjlM9KedZ2brBR/kU6xhBa7PoNVYrpO4DoJDDbT4yI26uQISz5sIa3IzJiKmfCw==
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

2026-09-17T12:11:14.502309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012298
observed 253f2e2a816373b149d3176924e654ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.484119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012298/manifest.json
observed da8c6337e461239728bfcd7739730d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.466779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012298/publication.md
observed 9cf5bb11128310461fc8567cdb1fed6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.450571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012298/publication.txt
observed 4c0a8983a92eb4427104c7923ab4f7ec...
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.