OpenTechnical

OT-2026-000092949

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000092949) never changes.

Identity and time

Publication numberOT-2026-000092949 · never reused
Internal UUID01a0ae9e-090f-7cf8-a2b6-b7536b05b2f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092949
StatusPUBLIC

Content hashes

Canonical textd4126355e5d43ef50c5be4c3d67b3783c1ee122209d12fa97b6363c581342fb3
Markdownefbb94dc74a7c62949544fa66224eab07baeb454e11159d8c556879bd7a01c21
PDF
Publication pagea69102cc2d38c9b5a8c157ac19f9d97ffa6490181625219ac90c7b2a462d21df
Manifestbb49e93cc778a0334b2da648cc53c31b63c49803feee156158a442cebe31fa2b

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
Signaturew8eCxzS69h6eC0PccMxtu9KnkyOInqjjm2g/r/AFxk1NBQq6kWf20yTYoHMpssG6d0CfnjOdo/ymurEF7iZfDg==
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

2026-09-17T09:40:04.254819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092949
observed a69102cc2d38c9b5a8c157ac19f9d97f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.235991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092949/manifest.json
observed bb49e93cc778a0334b2da648cc53c31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.219087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092949/publication.md
observed efbb94dc74a7c62949544fa66224eab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.200866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092949/publication.txt
observed d4126355e5d43ef50c5be4c3d67b3783...
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.