OpenTechnical

OT-2026-000064148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000064148) never changes.

Identity and time

Publication numberOT-2026-000064148 · never reused
Internal UUID01a0ae8d-a45f-7534-9081-1259acfd0dc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064148
StatusPUBLIC

Content hashes

Canonical textbc92d4a9513a04f3de2925a8cc45e85781b26b42d37844e9e7a7877b564c7f7e
Markdownc078b19e1810db074a619f99adc511300af997ea6881ce1f5e143a82ca688f26
PDF
Publication page919ee42438d1eb46ab1f7fc0e63ff575b93b7b24bc2e561ae402188178c9aa8d
Manifest5179d821057bee903390eb8ed9193d024705553a36e5f8038ff21c9a884e891e

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
Signature9LCX+Beyfd+8MZcYUhYga2PKCsvg5jbLjfCIJJ0cnR4W8URjou4753hu9AdwzkrO1d6EY985naVHghef1zl+CQ==
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

2026-09-17T10:36:09.236728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064148
observed 919ee42438d1eb46ab1f7fc0e63ff575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.219650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064148/manifest.json
observed 5179d821057bee903390eb8ed9193d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.202434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064148/publication.md
observed c078b19e1810db074a619f99adc51130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.183565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064148/publication.txt
observed bc92d4a9513a04f3de2925a8cc45e857...
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.