OpenTechnical

OT-2026-000074466

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074466) never changes.

Identity and time

Publication numberOT-2026-000074466 · never reused
Internal UUID01a0ae93-717a-76d4-a640-8426e5afbddd · 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-2026-000074466
StatusPUBLIC

Content hashes

Canonical textffecd55e855fb2bbc852be5e6f8bd90702f21e813eb33577d239ba0b4eadbbff
Markdown19f0f6c76bc94dd919932fb8349ece46b5204e7c30fab9c7a1989f79cf22988f
PDF
Publication pageabdaf1d4c54effbcc0535743b9df3d9dda7f566111a89b0178ad599d1695754c
Manifest46024394be87067fae272256082e269035a05f09473f433664cbf2c7cfa4a42b

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
SignaturecDeIo6UAqiJ8BU8fx7MnjzLiOFW/f3SrzZUs8RgKkpWukdpzIM0oFIpPlCPqpDPJ6234RwUre+hL9421SEX0BQ==
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

2026-09-17T10:19:25.558850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074466
observed abdaf1d4c54effbcc0535743b9df3d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.541619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074466/manifest.json
observed 46024394be87067fae272256082e2690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.523958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074466/publication.md
observed 19f0f6c76bc94dd919932fb8349ece46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.506121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074466/publication.txt
observed ffecd55e855fb2bbc852be5e6f8bd907...
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.