OpenTechnical

OT-2026-000070545

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000070545) never changes.

Identity and time

Publication numberOT-2026-000070545 · never reused
Internal UUID01a0ae91-5460-702c-8822-a35371ea7e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070545
StatusPUBLIC

Content hashes

Canonical textb9d67758d29512c5a7b998b6b5bd273ee6d3144db4b841a083c6c0d2475d003c
Markdownc0c92569c8c9ac1ab7695ba3d95c88b61b3f5385bc5a609f411e4b8f34b0b96e
PDF
Publication pagea5d2499fd82bf8af3cb9fadcb09b5ae406b4e1334a20e5ae1e7acbdc6b1b3b26
Manifest26a4546b919d38fa12a283002b83b82619ee1786fa4eddc2ddf7191d3f913dd3

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
Signaturem0EgXB5rLHBP6M/7u2YEmrkh1vi3b8K66Q9qNlcTlN9lZA/v7yH+xonR2yt2uBSftUz+hkAOFszJhQsrjHplBA==
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

2026-09-17T10:26:23.602728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070545
observed a5d2499fd82bf8af3cb9fadcb09b5ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.586453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070545/manifest.json
observed 26a4546b919d38fa12a283002b83b826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.570531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070545/publication.md
observed c0c92569c8c9ac1ab7695ba3d95c88b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.555214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070545/publication.txt
observed b9d67758d29512c5a7b998b6b5bd273e...
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.