OpenTechnical

OT-2026-000013397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000013397) never changes.

Identity and time

Publication numberOT-2026-000013397 · never reused
Internal UUID01a0ae6d-6fca-7712-b8db-5e498a068e17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013397
StatusPUBLIC

Content hashes

Canonical text78c21869f6dcb4bc608fdc2a7c595511314816ff8948aa786ac0052e3e261888
Markdown091c1c1a16845a667cae0976799c61a17c6045d2a756addadfaa22f44aebc68a
PDF
Publication page93dbe0442b736510f97cce87628191bb029ba95a8d7b0e5523a4555649184d62
Manifest1a8bf494d4ac647286977341b17130ed25dfaca96090ed70c0961d9f6f4fc70a

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
Signature23TZG52N8lVN8B+K1365fhnOLOXDaIGQvr029NvRqQO8eYVKTAk413mb8N9xLRB6ZPCn1mwWzre8qY1ZdzVOCQ==
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

2026-09-17T12:09:52.261156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013397
observed 93dbe0442b736510f97cce87628191bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.242157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013397/manifest.json
observed 1a8bf494d4ac647286977341b17130ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.223787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013397/publication.md
observed 091c1c1a16845a667cae0976799c61a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:52.204310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013397/publication.txt
observed 78c21869f6dcb4bc608fdc2a7c595511...
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.