OpenTechnical

OT-2026-000082004

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000082004) never changes.

Identity and time

Publication numberOT-2026-000082004 · never reused
Internal UUID01a0ae97-4d92-72b4-9c0f-68a3c04878f0 · 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-2026-000082004
StatusPUBLIC

Content hashes

Canonical textf15c8be1ec3ad4f1c49160ab4e7917930db37506b7d331b6cfe107a109179d82
Markdown6065b675e64f7f67875f101b9cead62818c995dd5499936a914aac744138fe19
PDF
Publication page451c86f3a3a101939982a4f10b222dc57a4f7dc02a828b5916ed47f919e19d9d
Manifestcf0cdbef49b4eaa354b06bacd670e021e5a328c30fc3013a37201d22aa1caf34

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
Signature4qEXsW6K88jxfwqhJhH+iypX5ZXcn6q6+uhkammv02aj/W/kooCRfNv8TkioQqffU6FHf6/CuKh4Jo8at37TDw==
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

2026-09-17T09:58:42.961152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082004
observed 451c86f3a3a101939982a4f10b222dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.944087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082004/manifest.json
observed cf0cdbef49b4eaa354b06bacd670e021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.926744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082004/publication.md
observed 6065b675e64f7f67875f101b9cead628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.909695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082004/publication.txt
observed f15c8be1ec3ad4f1c49160ab4e791793...
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.