OpenTechnical

OT-2026-000022004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000022004) never changes.

Identity and time

Publication numberOT-2026-000022004 · never reused
Internal UUID01a0ae6f-bb5c-7827-9653-5e11a669f744 · 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-2026-000022004
StatusPUBLIC

Content hashes

Canonical textc65d822b05ee3dce1fa50a419a8505977773b3e21ada0e4a7833eb1ddd1b5e3b
Markdownf49775fd9399b4c6c22bd468534a3a89a629f55a3e3f998fe7abc54183151635
PDF
Publication page681992a49f9a7d72154f04187377bf80a5c76adfd4ff706530068bec8370ab4d
Manifest78955692475e08c8871f176a1ee0c9aed3bc8b7ca7bd04c1ffb9f2f88dad4163

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
SignaturewO4l+mkH66ncrJNDAPL7GpG5yjxNYA9iWOnHK7CU95JAZa3KrvYz+U4SIQHFFCnTOcAJ59gl2vlS+I9VBviUBg==
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

2026-09-17T11:54:41.050398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022004
observed 681992a49f9a7d72154f04187377bf80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.031960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022004/manifest.json
observed 78955692475e08c8871f176a1ee0c9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.013763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022004/publication.md
observed f49775fd9399b4c6c22bd468534a3a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:40.995514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022004/publication.txt
observed c65d822b05ee3dce1fa50a419a850597...
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.