OpenTechnical

OT-2026-000074565

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

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-2026-000074565) never changes.

Identity and time

Publication numberOT-2026-000074565 · never reused
Internal UUID01a0ae93-717b-7018-a10c-1c55c9469771 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074565
StatusPUBLIC

Content hashes

Canonical text4afdd1a9951b77d27ba7bc83547ebf4680042176ac303e9aceb4e634dde50a6e
Markdown813d833fbcc7937410b2b809539209790429effde9e762ba4265faa61833549f
PDF
Publication page4607b6aae89e7739e679ad0cff425560f52aa4a23253e2fb9c39e743e11e61de
Manifestc4cb01788c518a40890fee145a5ec54bf08309d6a376d4f838c397de96d90b85

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
SignatureDUoyfbMseiWLvyJMVucjEQChAe2Jbbn8d1N3shr1HjgPryx6vnUOf38eJnyGMDuppyWqXJVItnC4+5A2UQubAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:34.845564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074565
observed 4607b6aae89e7739e679ad0cff425560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.827667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074565/manifest.json
observed c4cb01788c518a40890fee145a5ec54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.810011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074565/publication.md
observed 813d833fbcc7937410b2b80953920979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.792044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074565/publication.txt
observed 4afdd1a9951b77d27ba7bc83547ebf46...
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.