OpenTechnical

OT-2026-000018475

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000018475) never changes.

Identity and time

Publication numberOT-2026-000018475 · never reused
Internal UUID01a0ae6e-b48a-76f4-a4d7-9e253f347908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018475
StatusPUBLIC

Content hashes

Canonical text4f6ccd90e39300e7fa74f2ba93f19dd65aed8da9d60d6e5cb9abdf6aecaeff95
Markdownd042d75cf4435f1a5da5018c551f83c1b9e77d96fd6170d39d101a15a6f01f8a
PDF
Publication pagea37ccc7152f62bb87749bc3ba7446d41a8e810298e89b5b0321c6ddbb1706541
Manifestaddfff68a77124a524365f0c19e68b52c65c38342d7e3947c92ca6c5cd378919

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
SignaturePaJbhfRQuAPLUOlNQA5yjpzz/pwjeWCU8SUsyfdiOpRocao25ptdnygkRhMFt5R7wHEhT4X9FVaJuY2AcxkjAw==
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

2026-09-17T12:01:14.530001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018475
observed a37ccc7152f62bb87749bc3ba7446d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.511015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018475/manifest.json
observed addfff68a77124a524365f0c19e68b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.493233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018475/publication.md
observed d042d75cf4435f1a5da5018c551f83c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.474995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018475/publication.txt
observed 4f6ccd90e39300e7fa74f2ba93f19dd6...
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.