OpenTechnical

OT-2026-000064581

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000064581) never changes.

Identity and time

Publication numberOT-2026-000064581 · never reused
Internal UUID01a0ae8d-a462-7fbf-b901-f6aff2e7bffa · 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-2026-000064581
StatusPUBLIC

Content hashes

Canonical textd2c21ad766c8404919fa5050de875f31520f9ddfbcda66d5915c0f604966133f
Markdown376423cbd5558ef580354fc420aef42a77e49146f25633c00cc83990f9e28e6f
PDF
Publication pageb8d80d72cf18451eb5c2b859534527b4377c10c2156bd001ec78cf753359e8e5
Manifest93e8e28cfd429a8ae19ae599fc8375e91f783a9dc097ccd3ba0049c318582d4a

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
SignatureGADuOXZkaqcSt5BJDVKO15Yi46SHinIVswRuIWJZ2MxNaMd1Ael7GFnBy2CKmHRAynyHDKmXlhZk6kbU4PKVCQ==
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

2026-09-17T10:36:48.740724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064581
observed b8d80d72cf18451eb5c2b859534527b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.722803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064581/manifest.json
observed 93e8e28cfd429a8ae19ae599fc8375e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.703528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064581/publication.md
observed 376423cbd5558ef580354fc420aef42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.686761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064581/publication.txt
observed d2c21ad766c8404919fa5050de875f31...
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.