OpenTechnical

OT-2026-000063704

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000063704) never changes.

Identity and time

Publication numberOT-2026-000063704 · never reused
Internal UUID01a0ae8c-f946-70ca-81b6-1f048c6bfbff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063704
StatusPUBLIC

Content hashes

Canonical text3ec2c5740f4ae96db73a8d87d00f0aaae8e4b655d192ece2169cb5cfa03a9f02
Markdown5e0fb94a1390a76c2f59ab8d8476f020a79a7cc71a240a5f2645388cfafeb4e8
PDF
Publication pagee93fa22a755755f50a3810f7d63cbf6ccc15998b593bc9ea805e54943b973894
Manifestbd2e1d844c5b543727aae9117dbfb8b106e90151dbf3785496c919ff2eff5c36

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
SignatureJw6empyHEoGv+HGjPflF+G3DtsO0YjttcJSYlU3sHnjXvtAUZl+NPco24KJEi46lnp3T6BZd+sD6V1S2fOXkAQ==
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

2026-09-17T10:37:49.602285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063704
observed e93fa22a755755f50a3810f7d63cbf6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.584224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063704/manifest.json
observed bd2e1d844c5b543727aae9117dbfb8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.566673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063704/publication.md
observed 5e0fb94a1390a76c2f59ab8d8476f020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:49.548690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063704/publication.txt
observed 3ec2c5740f4ae96db73a8d87d00f0aaa...
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.