OpenTechnical

OT-2026-000064593

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000064593) never changes.

Identity and time

Publication numberOT-2026-000064593 · never reused
Internal UUID01a0ae8d-deb7-7ad5-9e12-b11429b88eed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064593
StatusPUBLIC

Content hashes

Canonical textac37a17b1f3408f2129e57449b3a71a9f72e04c7d6d575fee2ed43931a30a970
Markdown26f43062e775f72cc93570635f71c0124c6914fbf41f86e31c294d61e6bf5649
PDF
Publication page9fdb84af3fba356e943ef3c3caf340334d938f7ebc0dd4baab4213a5faa0828b
Manifestc6537509a51450390d84bfb21113cc781949ff234407d913e8973171e2abff27

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
Signature9folzLjV6WVAokAtFbcbhlpbLBiew4B78J72ql7z+UzqeNDJWYfQv5UQMxi0lIx6f85O1aQyFJH8KklMoTJdBw==
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

2026-09-17T10:35:21.954322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064593
observed 9fdb84af3fba356e943ef3c3caf34033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.937551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064593/manifest.json
observed c6537509a51450390d84bfb21113cc78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.918587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064593/publication.md
observed 26f43062e775f72cc93570635f71c012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.899268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064593/publication.txt
observed ac37a17b1f3408f2129e57449b3a71a9...
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.