OpenTechnical

OT-2026-000042903

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042903) never changes.

Identity and time

Publication numberOT-2026-000042903 · never reused
Internal UUID01a0ae7a-c0d1-7e61-8d4d-9794e67906b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042903
StatusPUBLIC

Content hashes

Canonical text85ab60521d3727556919db3c1ab2854ac033b7f8ae824571a82735abf686889a
Markdown97ce72c272cd6a6e50f668e0e2d0dc844c3c1c90e1e3d075f55369e9a5353271
PDF
Publication page9119e2a31e346ec395f48209fa0c728f8bd8cf90d821f3529a2e84afc91b363a
Manifest01543e5469ab96af821eb81f316527cc88e4934be4703a8223c0747456bea941

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
SignatureHtlGjl/kl1B6PNvdvA/plPdpvkPjkmmLWjBBpxIKfkUOi/kVcV7nH78IIUwoDf52IIQjZhYtTPkttCWPFVzACg==
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

2026-09-17T11:15:24.729677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042903
observed 9119e2a31e346ec395f48209fa0c728f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:24.709217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042903/manifest.json
observed 01543e5469ab96af821eb81f316527cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:24.690607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042903/publication.md
observed 97ce72c272cd6a6e50f668e0e2d0dc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:24.671166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042903/publication.txt
observed 85ab60521d3727556919db3c1ab2854a...
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.