OpenTechnical

OT-2026-000021652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000021652) never changes.

Identity and time

Publication numberOT-2026-000021652 · never reused
Internal UUID01a0ae6f-bb59-7567-81ae-640cd6566de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021652
StatusPUBLIC

Content hashes

Canonical text978345bf66f8e6aa2831bfc3af8786f56d2947e18a26d5cae03833896d1e9979
Markdown8076c473a63db38211479ed96dd757384d3e4912be647b0c40154bb0e96942fb
PDF
Publication pagee40722b9ed388403316d9be0a899012121424742edcc8d3cd3e09d865be139ce
Manifest9ddd0dbc99cfaefa06bf1e21cf4693c7b86c18aa713f1339511fe579be4174b6

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
Signatureiik9bCP/O4UqT+UhLv8HdFD2mhyVhnjgbmeI1gNsyD4EKv0CjhhF1uOegf9X4BzPHoiEsiwB1YYMlvvs4IUeBg==
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

2026-09-17T11:54:11.330630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021652
observed e40722b9ed388403316d9be0a8990121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.314492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021652/manifest.json
observed 9ddd0dbc99cfaefa06bf1e21cf4693c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.297466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021652/publication.md
observed 8076c473a63db38211479ed96dd75738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:11.280790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021652/publication.txt
observed 978345bf66f8e6aa2831bfc3af8786f5...
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.