OpenTechnical

OT-2026-000075804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075804) never changes.

Identity and time

Publication numberOT-2026-000075804 · never reused
Internal UUID01a0ae94-29fe-7855-b774-a62deb212be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075804
StatusPUBLIC

Content hashes

Canonical text6a9a1b2d33072da1a232e6ecae1be2ae69a40010e0ecc5a7ba0c9a974eb34e29
Markdown2e552e3bc280d3b721fc02382b5a49cb5c3db743aeee5dbdaaecd0f32c28546d
PDF
Publication page23e0f8ecf876c123efa6ba2f54c021d7b8719db5286a77518ac6733bbc74452f
Manifestc6b6fe51229a9a9adc073c7a5fb3c37496a5da48b41dc2e3820839f0c93a3d65

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
SignatureKXdZ6HBackUP1HeIomMRbRVpW6WceX/sjNg6zhvGv8S7HikxO3Q82q1g5h3sRghZtffyjjxFjIZ77dzYBCSyBA==
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

2026-09-17T10:14:18.224618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075804
observed 23e0f8ecf876c123efa6ba2f54c021d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.205749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075804/manifest.json
observed c6b6fe51229a9a9adc073c7a5fb3c374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.063302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075804/publication.md
observed 2e552e3bc280d3b721fc02382b5a49cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:18.046654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075804/publication.txt
observed 6a9a1b2d33072da1a232e6ecae1be2ae...
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.