OpenTechnical

OT-2026-000017775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000017775) never changes.

Identity and time

Publication numberOT-2026-000017775 · never reused
Internal UUID01a0ae6e-96fa-78b8-9865-5f03262e4baf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017775
StatusPUBLIC

Content hashes

Canonical text7eb69b2dc24b9f1a834c1111a6b180a7506aff9db96bc0424fb2714f6c02c8a6
Markdownf16d6bfc18a065a91c023b5b34961d46eee330a98161778649da5605b37c0b26
PDF
Publication paged11974267de916f6a1c4749a6f484b97b5730820c9b5744c2400c681d8af09b6
Manifest636706d821663498d7e0bffc127f26b365d7dd75b62afe29da7e24436ea44be8

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
SignaturesigeqHDPqY6V8x+sGsHmLrZugyet6UHHyfgS35ntfELxHrChytIGBvVH83Q8bM5L/v/i+b7QIF1Zms+MQG7VBg==
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

2026-09-17T12:01:44.062152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017775
observed d11974267de916f6a1c4749a6f484b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.047232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017775/manifest.json
observed 636706d821663498d7e0bffc127f26b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.030136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017775/publication.md
observed f16d6bfc18a065a91c023b5b34961d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.013963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017775/publication.txt
observed 7eb69b2dc24b9f1a834c1111a6b180a7...
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.