OpenTechnical

OT-2026-000048871

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000048871) never changes.

Identity and time

Publication numberOT-2026-000048871 · never reused
Internal UUID01a0ae81-134b-7f16-a4f5-1fc9706139ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048871
StatusPUBLIC

Content hashes

Canonical textf3b49674658c8fd4573a567cc0144cc4b41cf63ab09bdb4ca467ca2c62af55a1
Markdown6fabee77903b96d7ae72c6d472858d3821ae96abd305a307e9bc722db4dea9c7
PDF
Publication page6c00e2e49b98d7f167b3362ef31632f8bd20ff989f12ff31278de7067fda5d7d
Manifestf09ed4a1a58af80049ed1f823577fc512a1c496267023441e932d7a47ff5d863

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
Signaturewtb3ZTS+DOnGYOQY56znNqXe8emGh//y0Oj6j1cnGe3MCGIzV76IEWap9K8UIbqGR/89nYmc4Hb9phN5mlxHDA==
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

2026-09-17T11:03:01.461757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048871
observed 6c00e2e49b98d7f167b3362ef31632f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.442204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048871/manifest.json
observed f09ed4a1a58af80049ed1f823577fc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.423544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048871/publication.md
observed 6fabee77903b96d7ae72c6d472858d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.404478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048871/publication.txt
observed f3b49674658c8fd4573a567cc0144cc4...
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.