OpenTechnical

OT-2026-000055983

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000055983) never changes.

Identity and time

Publication numberOT-2026-000055983 · never reused
Internal UUID01a0ae87-0a4a-7b73-bf29-8be02ed32259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055983
StatusPUBLIC

Content hashes

Canonical text185f946bc418ed0f385b2ebf20797c479cc75844d017cd3f787645dfa0c4c6d2
Markdownf1ef8fe3a644eec85f4dc869fe671d62894ce652974014c566bf0703cd1f5155
PDF
Publication pagee80a15196c0c35e2078127ccd5742aedb18cf14dc1bed95f08d08830d54b04b1
Manifest90a66ccb515edba0d7e8d7d146967bdbb3ffabb41c3cf7b4a56a6a9f3d1efb74

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
Signature/Qx3HldLWhyUD/YxLaxPT/9agRSYORi2RkmMOQ1NkpyHayJGdmN6X/SAlNJfaWCKHYMl45yD8n4of0sBxlOqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:30.327546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055983
observed e80a15196c0c35e2078127ccd5742aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.309699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055983/manifest.json
observed 90a66ccb515edba0d7e8d7d146967bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.291646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055983/publication.md
observed f1ef8fe3a644eec85f4dc869fe671d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:30.275304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055983/publication.txt
observed 185f946bc418ed0f385b2ebf20797c47...
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.