OpenTechnical

OT-2026-000020825

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000020825) never changes.

Identity and time

Publication numberOT-2026-000020825 · never reused
Internal UUID01a0ae6f-65e3-76e9-b08e-f39abb5e0a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020825
StatusPUBLIC

Content hashes

Canonical textfa69c81bdc99fbac37f51174204399053b50cc9294849d8b44b28b07e5e93d52
Markdown16b74b4c22fc463bbb2aa5a6f2b430a699eebcb330dc569be11676b38ae0a939
PDF
Publication page89cf7aea96b4d1722269d2a9e2761b86ed603e81884e80445153a6c651c12aa7
Manifest399d17a82914a496e1b75b9c60ca6ade6147017c329f0ff85dc199684a8104a3

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
SignatureMu1XAyRUanmJgHkczn3sDi99+thDBBzlKRLmP3FUZWbKhWYqzwvNsVCTOZWyEKhAuKX0hSaDKGvGmEkoqERtAw==
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

2026-09-17T11:55:55.119774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020825
observed 89cf7aea96b4d1722269d2a9e2761b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.102380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020825/manifest.json
observed 399d17a82914a496e1b75b9c60ca6ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.083874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020825/publication.md
observed 16b74b4c22fc463bbb2aa5a6f2b430a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.065770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020825/publication.txt
observed fa69c81bdc99fbac37f5117420439905...
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.