OpenTechnical

OT-2026-000066355

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000066355) never changes.

Identity and time

Publication numberOT-2026-000066355 · never reused
Internal UUID01a0ae8e-8dc4-705e-aee8-9ef02f0aff99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066355
StatusPUBLIC

Content hashes

Canonical text4a10c444a78f8ef888249f3f66f01b003f159d1a90cd8c0357a1e269a72b63f6
Markdowna57d734e743dfb392fac550b718d0f7fc97d344d31abc054495ece157a7b6e55
PDF
Publication page422a38cc80001183b65c6bd12b279cdaef86bc2e82076017acf63431c52e6cb3
Manifest7833ee45557436f005c059b6850666c8150df1873449c53cf13bc415f9d72f31

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
SignatureK6mFU1CdzGLbr7zGZdmLNiNNfvkfKjTLcUjztQf3DsP28aJw4UI/o8ZojGfWvxoraTliqL5PgRa1IpG4QmuRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:33.044045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066355
observed 422a38cc80001183b65c6bd12b279cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.026427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066355/manifest.json
observed 7833ee45557436f005c059b6850666c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.007274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066355/publication.md
observed a57d734e743dfb392fac550b718d0f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.989305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066355/publication.txt
observed 4a10c444a78f8ef888249f3f66f01b00...
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.