OpenTechnical

OT-2026-000083551

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000083551) never changes.

Identity and time

Publication numberOT-2026-000083551 · never reused
Internal UUID01a0ae98-0415-736d-81d1-0c4002d8c402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083551
StatusPUBLIC

Content hashes

Canonical textf2018a1fe200caf126d45c096e552aa4be08e240e49ebfc631f183ee446c1044
Markdownd18e5482d0f27eaed429c280a1f4ae7e17fe3c2e9b9c05856a57cb467be0954a
PDF
Publication page550b7dc56d8065796801411324157865d4890ec948433ee9318e3ae70757a88d
Manifestc2e7d6692037b6e657a54379af5d48cc789dca7c9f5bfc78a028c9806f1f4268

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
SignaturegUmxZIV1COO1rEJxMduK0dShsQMmpNvY3UFfeDG7cGp2OmX4HhClAHUdHd5jr+ck8uz8in/Q80pSBYLQ62h5Cg==
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

2026-09-17T09:57:02.156073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083551
observed 550b7dc56d8065796801411324157865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.139776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083551/manifest.json
observed c2e7d6692037b6e657a54379af5d48cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.123586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083551/publication.md
observed d18e5482d0f27eaed429c280a1f4ae7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.107484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083551/publication.txt
observed f2018a1fe200caf126d45c096e552aa4...
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.