OpenTechnical

OT-2026-000092078

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000092078) never changes.

Identity and time

Publication numberOT-2026-000092078 · never reused
Internal UUID01a0ae9d-43bc-7d9b-901a-7cb1e6251b5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092078
StatusPUBLIC

Content hashes

Canonical textf2d65c0b63ce67b01f0271da818129bb158aeea4f5efa60926a731b34a077930
Markdown38478cfd785bf20a6773cd87cccb6fd0f3ed64e6aab188945ec17c0d8d080e14
PDF
Publication page6fb1e9a57d77bfa14206a8212d96a93aa2cbc26c48318b7935743f6ca614d53c
Manifestc3a0d48ab2ab78f519ab7391caf354315ba327986ec5e54c3712e1b6f7910f39

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
Signature5UO0GlKJ6v5087lWFDSfKwwTcFg7JTYDbxXhB2SXFON2RJ+C0UjQwYaLaBxUbN3yzjmzO3fo8ZqwiLgn9q/7BA==
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

2026-09-17T09:43:10.984903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092078
observed 6fb1e9a57d77bfa14206a8212d96a93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:10.966737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092078/manifest.json
observed c3a0d48ab2ab78f519ab7391caf35431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:10.948916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092078/publication.md
observed 38478cfd785bf20a6773cd87cccb6fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:10.929905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092078/publication.txt
observed f2d65c0b63ce67b01f0271da818129bb...
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.