OpenTechnical

OT-2026-000059344

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000059344) never changes.

Identity and time

Publication numberOT-2026-000059344 · never reused
Internal UUID01a0ae89-8614-78f3-9008-54eddc6ab49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059344
StatusPUBLIC

Content hashes

Canonical textbbb3f1b6ac0d92d0092a177f2d9eff8b81e11acc8d5baacd4a4cc1f56ab866fc
Markdownba79b57353e3fd3f1a409ea00a69d14d9883946dcdbed9daf692563196baa240
PDF
Publication pagec944c87f881240fccdb0a6a54fd8b4835ebe45fd929d27627d7df6d28105ad9c
Manifest7f4d3a9d077ed926995680ef2f68e6bb79a2aa31033b03b92895110791945c33

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
Signature9SprlCJ9XtQg68YauUU55nuwsfGptRPoJRdnZBuLdbOF7/uVZY5FCi7Uzphh1LN0TMj2MTnnx3nmXVAEkp4vBg==
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...

Independent retrieval

2026-09-17T10:46:00.159450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059344
observed c944c87f881240fccdb0a6a54fd8b483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:00.142500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059344/manifest.json
observed 7f4d3a9d077ed926995680ef2f68e6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:00.124708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059344/publication.md
observed ba79b57353e3fd3f1a409ea00a69d14d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:00.107628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059344/publication.txt
observed bbb3f1b6ac0d92d0092a177f2d9eff8b...
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.