OpenTechnical

OT-2026-000063880

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063880) never changes.

Identity and time

Publication numberOT-2026-000063880 · never reused
Internal UUID01a0ae8d-53bb-755c-86b4-08b067861fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063880
StatusPUBLIC

Content hashes

Canonical textf5161c3e4ac3d3085812f2c5b47f2a21ab74b80d0c6678baa293ded0e15abd98
Markdown715b7c7f7c183a544cbda82557a083dd85f0b633ca58470474ff0ae8211194bb
PDF
Publication page6cf0058d6991e32506e3acf1060de7fc4e3095060650fc8628ca8b37d3278682
Manifest655c164c2494da8cb6670be77a71ae09f0db3aaf238bb5b039432433fb6666c7

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
SignaturePUDS/PB0cFFiGP6Z7NNocJv1mL9DjCAMMG79uoE+eE2VrW6dRpXyyJbJt55hTzvdaEzxXIjOECpf9QMoEw06DQ==
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

2026-09-17T10:36:55.289569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063880
observed 6cf0058d6991e32506e3acf1060de7fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.272935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063880/manifest.json
observed 655c164c2494da8cb6670be77a71ae09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.256873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063880/publication.md
observed 715b7c7f7c183a544cbda82557a083dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.239309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063880/publication.txt
observed f5161c3e4ac3d3085812f2c5b47f2a21...
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.