OpenTechnical

OT-2026-000082391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained 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-2026-000082391) never changes.

Identity and time

Publication numberOT-2026-000082391 · never reused
Internal UUID01a0ae97-4d96-7b33-90a0-31311bfd962d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082391
StatusPUBLIC

Content hashes

Canonical textb43c7f67aaecd75b4325deeed63567da083043291a32cdca1a22b6e8bfc3b122
Markdown2ef9f03c7de0eca4e8a85ddb91979dd50b475d60813441fc8d20019d16e81466
PDF
Publication pagec7199b5b2d6de1610d9aa9671aa82ad5cbb548914b9012fd6b0378439cfa29c6
Manifest9eda0d49e32aec8493f4be7625cf852e7c31b6e69b3c94442ca7ce545433e818

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
SignatureBmXjT06XN4TG6W13qGKKRG4jNsr0QgbWcRrKqKOS03VBHIj4wBSg0XYVReInKfqwdg6HmowISnXh43oZg1TkCA==
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

2026-09-17T09:59:16.384439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082391
observed c7199b5b2d6de1610d9aa9671aa82ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.368341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082391/manifest.json
observed 9eda0d49e32aec8493f4be7625cf852e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.352063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082391/publication.md
observed 2ef9f03c7de0eca4e8a85ddb91979dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.334938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082391/publication.txt
observed b43c7f67aaecd75b4325deeed63567da...
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.