OpenTechnical

OT-2026-000035942

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000035942) never changes.

Identity and time

Publication numberOT-2026-000035942 · never reused
Internal UUID01a0ae76-b4c9-73dc-b140-3692f90a1f61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035942
StatusPUBLIC

Content hashes

Canonical text4c27a13d9c53eafd1f69c896c623bd8aa24d2968695b85f0678b6f4ce67b4993
Markdown8d67fb50e2b7e967abfe59f66dd650ed050879b916664802daefa541b3ee4a16
PDF
Publication page7b8b9983ab23ec6c9814445007a7d07dbcd088ec9221e95729781134eb0349db
Manifest468cc819c00e8a9749171736c0c742af8383a0eed7d7848a0f63334bec22e4a0

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
Signaturere6l7UZM3pgFZptpbLTrYry9r5tT04JN2szU2qKdis8SfzKhD6bzfhI+kM5jiRz7V3wq9aH9VtNmI7D1hJk/DQ==
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

2026-09-17T11:27:47.734395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035942
observed 7b8b9983ab23ec6c9814445007a7d07d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:47.717447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035942/manifest.json
observed 468cc819c00e8a9749171736c0c742af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:47.690182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035942/publication.md
observed 8d67fb50e2b7e967abfe59f66dd650ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:47.656795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035942/publication.txt
observed 4c27a13d9c53eafd1f69c896c623bd8a...
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.