OpenTechnical

OT-2026-000032407

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000032407) never changes.

Identity and time

Publication numberOT-2026-000032407 · never reused
Internal UUID01a0ae75-106e-7ef7-bd4b-5a8675dbfc8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032407
StatusPUBLIC

Content hashes

Canonical text3a6b9a3453d9d232fa659dd4496347c4d80ff7657ac71c24151695a5fac8f5f0
Markdowncba825cfc22b5194e3af561699ce8df4a742b06609610381d3440f53369b396f
PDF
Publication page263bfe979466173e243dafc79f67f72c3e6bcace639886c07317eaf90c63c82b
Manifest9eeb99d54d5c576f5a1ac7981f6f4811923927786b7a067ad9cba794a371ab8e

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
SignatureHOi36/uTsUJKqP4hFCqvAEP1O4+uUU3IkcA1CCYXEMTb0skN8mcsU5Nlb7FEfJj2cFsXKpStkhY4WXvW5NRtCQ==
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

2026-09-17T11:33:49.368932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032407
observed 263bfe979466173e243dafc79f67f72c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.350899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032407/manifest.json
observed 9eeb99d54d5c576f5a1ac7981f6f4811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.333171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032407/publication.md
observed cba825cfc22b5194e3af561699ce8df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:49.316042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032407/publication.txt
observed 3a6b9a3453d9d232fa659dd4496347c4...
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.