OpenTechnical

OT-2026-000083517

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000083517) never changes.

Identity and time

Publication numberOT-2026-000083517 · never reused
Internal UUID01a0ae98-0415-7dfc-857d-39d5545728d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083517
StatusPUBLIC

Content hashes

Canonical text1aa3ecb3fc997ec7fd875f3fa15cfac507074152334ede9969ae31f642547c19
Markdown166540ea40d2b0c411f592254cab5255bf34546fcd36dfc5b8b967f358fb77f3
PDF
Publication page39df4ae626e54890b959bea97f8a7fc02ccaae39be7b55dd1152ca7e3b275357
Manifest18babba8258a01887bd407443d5e2b4e8c8224f9d0e760ff399a85c99be59c01

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
SignatureFGSm89iLJWF8P6nYfcBgW+tLwThuyVul5CetT/lJ+vEuxPJlI2vxTsBk42Hh9lFqO1uZf0c9HsD4Ontzd6AeBw==
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

2026-09-17T09:56:29.741470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083517
observed 39df4ae626e54890b959bea97f8a7fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.724643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083517/manifest.json
observed 18babba8258a01887bd407443d5e2b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.707029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083517/publication.md
observed 166540ea40d2b0c411f592254cab5255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.688181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083517/publication.txt
observed 1aa3ecb3fc997ec7fd875f3fa15cfac5...
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.