OpenTechnical

OT-2026-000062315

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000062315) never changes.

Identity and time

Publication numberOT-2026-000062315 · never reused
Internal UUID01a0ae8c-0abf-7222-b1af-72316e5f762a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062315
StatusPUBLIC

Content hashes

Canonical textedcddb8efe034ee2ea9b9ad8237db7e8b5f5181afc8ce6a34eb255f85df77bb5
Markdown70b314b9561c88b24c66ada97e2e43598b8eba765a69a41534f5117fa128ce43
PDF
Publication page5f2830e9201bde0c6ae62f687cfd60f69079d46f90ecb206b2730b0a6a2c91ef
Manifestf7aa3fced42115120c7903078182c6c0af178dc6e9835b42abd1e274bcd88072

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
SignatureukROTNsG6JhOAzG2zU5EesB8cBDilZrIJJKMwh9PpPBBm8TFPxAAPqCgEhZ8hoIaX8JJ9yV5wr8+36TKWAbZBQ==
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

2026-09-17T10:39:37.009520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062315
observed 5f2830e9201bde0c6ae62f687cfd60f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.991811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062315/manifest.json
observed f7aa3fced42115120c7903078182c6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.974143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062315/publication.md
observed 70b314b9561c88b24c66ada97e2e4359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.957132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062315/publication.txt
observed edcddb8efe034ee2ea9b9ad8237db7e8...
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.