OpenTechnical

OT-2026-000015755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000015755) never changes.

Identity and time

Publication numberOT-2026-000015755 · never reused
Internal UUID01a0ae6e-0c4c-79f9-8808-bbcad3e67a40 · 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-2026-000015755
StatusPUBLIC

Content hashes

Canonical textc4a50f704a12f99b8f6aac7c2d5c3fe772c9cd47fdc78137e0164599229fa116
Markdown2d1408e8513dfc26ec4051f5b2875e61a96c169dd877518e709be08144608389
PDF
Publication paged7cbb78ce9a3a0381e9baf8bc40563ed86c3d862c4db33c9369130db00eb8092
Manifestd319b0cadac9fcf0629a04d265c7dbd7b6f928b4d35bc5ea05d22995610ce7d7

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
SignaturelwK7HwLaY52laRjINxAGM+u3fIj2hwkwyb2aZZ/1rO6SifYWdbaE0aW65y7nT905eufnWRIlD3wr/tx+DPWCDw==
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

2026-09-17T12:05:02.983693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015755
observed d7cbb78ce9a3a0381e9baf8bc40563ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.965782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015755/manifest.json
observed d319b0cadac9fcf0629a04d265c7dbd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.948121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015755/publication.md
observed 2d1408e8513dfc26ec4051f5b2875e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:02.931873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015755/publication.txt
observed c4a50f704a12f99b8f6aac7c2d5c3fe7...
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.