OpenTechnical

OT-2026-000078182

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000078182) never changes.

Identity and time

Publication numberOT-2026-000078182 · never reused
Internal UUID01a0ae95-7c26-7a83-9311-294a66faccd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078182
StatusPUBLIC

Content hashes

Canonical textba06f99c8e4e180e6f08ad80848f44ac4679cec526c2124c549957af78923477
Markdown4398b8878251543f34c9dff8fce50e49fd9d577d3f0ec3850d5c4bf947d4842e
PDF
Publication page4567da7e324665c4b119a429fd6664c12d67bdd39236731bf989e7845600f5c5
Manifest90db1c73071d82e45a50d62262b69536786ab1c4ae36dd8ffdaa3094773669e8

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
Signature8HjgYb5R3cQtI3709uTrIVNVXU6QHo8ldg9bZFza0AMDWKJwYHM2XCKAi5l1zJy5/jxvj6zv3qpnf8Y3KZUjCg==
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

2026-09-17T10:06:07.587905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078182
observed 4567da7e324665c4b119a429fd6664c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.564577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078182/manifest.json
observed 90db1c73071d82e45a50d62262b69536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.546421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078182/publication.md
observed 4398b8878251543f34c9dff8fce50e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.526938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078182/publication.txt
observed ba06f99c8e4e180e6f08ad80848f44ac...
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.