OpenTechnical

OT-2026-000012404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000012404) never changes.

Identity and time

Publication numberOT-2026-000012404 · never reused
Internal UUID01a0ae6d-39f6-73cc-b239-bc9ca21c3d6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012404
StatusPUBLIC

Content hashes

Canonical textca2b064f97a76f10c79481e91f1f79fb45bbab354bc77e375eacedbebb438252
Markdown523bddad40a1a612f0b2ceb5d6cd99bf4dd219068affacb9770bd8f846b5477e
PDF
Publication page99c8b5c81ea5655c9596e91269b2e8923e92ab90ac015c1f2ce5f1a9dda1949b
Manifesta0ebd1f606c2b98509b6dd15fd8fe42a658a66121a2ed71e22884c7b692d64f5

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
Signature/Lk6ls+SFs5HUoS14DK4wxJtZwklzUC8tZsjULoXxlvAnuDXO7I4kw71oIgQp2qdvFxSSbvPOdi8wcA5cJshCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:53.870364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012404
observed 99c8b5c81ea5655c9596e91269b2e892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.850627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012404/manifest.json
observed a0ebd1f606c2b98509b6dd15fd8fe42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.832550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012404/publication.md
observed 523bddad40a1a612f0b2ceb5d6cd99bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.813587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012404/publication.txt
observed ca2b064f97a76f10c79481e91f1f79fb...
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.