OpenTechnical

OT-2026-000013723

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000013723) never changes.

Identity and time

Publication numberOT-2026-000013723 · never reused
Internal UUID01a0ae6d-8de8-78bf-b716-af7b4c927f36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013723
StatusPUBLIC

Content hashes

Canonical text3d7f6ed21969414c44bc7c596e0355aaa14bda4747fd8f1c79078a22ceceaf71
Markdown4945dfdad77e29b6e165d5ee80743ff55b7d521f041f793bb2c955eafd220a67
PDF
Publication pagebbce38bc6a51c7a6025be04ed2975bc06fe55737a9298105d3485d2cb3f9a181
Manifestb13219a250242471b81c70d6840a146c23fb950b2153e4d0baca558a2361fe3f

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
Signatureya1WYGd8XYD8OcNhaVYnRNxAI6GK11qqIKyuHNMygANv1w5KKHS8DRok0UNpkd2IJzWn9cVMMrVvXK/IpholDQ==
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

2026-09-17T12:08:41.226590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013723
observed bbce38bc6a51c7a6025be04ed2975bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.208605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013723/manifest.json
observed b13219a250242471b81c70d6840a146c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.190588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013723/publication.md
observed 4945dfdad77e29b6e165d5ee80743ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.171175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013723/publication.txt
observed 3d7f6ed21969414c44bc7c596e0355aa...
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.