OpenTechnical

OT-2026-000097570

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000097570) never changes.

Identity and time

Publication numberOT-2026-000097570 · never reused
Internal UUID01a0aea1-92f1-7c43-a58c-87c209e1a922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097570
StatusPUBLIC

Content hashes

Canonical textfe9b932107da82bea66ca65c4ea785e5d1a16c9e78f7920aafa2cb1b269a8dd1
Markdowned78ac07bf774c4a859936d20dfbbb6eadb981e8b06523780212a8e71e6f8234
PDF
Publication page8df87a0bcf2bebf338f343a705ad0ed3ed5680cf58b37dba2cee5c754ee90d3c
Manifestfc319904c2694019254d2fa101f8c895a27f72a4b12aa9149281539a5ff600e8

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
Signature8Xg30Gs6CMK3VUoT/qR3IsSEMxLJwakSOQxoBIBdr7SZvZGZZwRg9x4En38nOIikGvJllUCZavns5og7qDl2Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:28.926624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097570
observed 8df87a0bcf2bebf338f343a705ad0ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.907723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097570/manifest.json
observed fc319904c2694019254d2fa101f8c895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.889960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097570/publication.md
observed ed78ac07bf774c4a859936d20dfbbb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.871052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097570/publication.txt
observed fe9b932107da82bea66ca65c4ea785e5...
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.