OpenTechnical

OT-2026-000045268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000045268) never changes.

Identity and time

Publication numberOT-2026-000045268 · never reused
Internal UUID01a0ae7c-f76a-7014-80ad-2c5da0420d36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045268
StatusPUBLIC

Content hashes

Canonical textbadd3861e7fc0fcb24af9bf48fbe12138530713772173c63688c79348214ef64
Markdown4e587753bb918264dfff7e693a64b4530b697c071ffa40bac36078c1e0c4326f
PDF
Publication page828610d0b5c05c07a8b27b93b4e2a6ed01d7bda32958d8c0fa8bee6e7ff95bc7
Manifest7308757b701c4ea4257cf44f1acfdd6d159abbd2f02577f1e1af71bed7031e3f

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
SignatureACna20CXnerutr0XqjUe5jrbVLEdP43AU4Tvqce2gZVWGLQJMyVynqY4Bd7oGBJ5npUgye8lXpSTwwOzWGDgBw==
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

2026-09-17T11:10:28.675355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045268
observed 828610d0b5c05c07a8b27b93b4e2a6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.656118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045268/manifest.json
observed 7308757b701c4ea4257cf44f1acfdd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.637710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045268/publication.md
observed 4e587753bb918264dfff7e693a64b453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.617628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045268/publication.txt
observed badd3861e7fc0fcb24af9bf48fbe1213...
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.