OpenTechnical

OT-2026-000024220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000024220) never changes.

Identity and time

Publication numberOT-2026-000024220 · never reused
Internal UUID01a0ae70-e8c8-7ab9-93d3-fbe661004750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024220
StatusPUBLIC

Content hashes

Canonical text4762c735f0cd99a29642c37154c13eb7167bc2ffceaa77e950f30d4649070d08
Markdown2bba2a0332eff52f95d74cdaceed834c4eb3bf4a9e867800b0999413e1ae6fa7
PDF
Publication page5d177626c1b7cdb41d8c6af54d65a8f5fafa989a34e1ced366f62a7839f6cea5
Manifest3b5ebf34140b102e75820fd48f098f6acd43db078c10dd41c4a46b8e414964fe

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
SignaturevMg7qvurB3eZU441jGiI7/qFb53ymBcwV0DCiul7uG9ia2mszrSIjGLhU5UIlibMLqc4wTE5GeLBWXiKlGggBg==
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

2026-09-17T11:48:41.169294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024220
observed 5d177626c1b7cdb41d8c6af54d65a8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:41.150692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024220/manifest.json
observed 3b5ebf34140b102e75820fd48f098f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:41.133444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024220/publication.md
observed 2bba2a0332eff52f95d74cdaceed834c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:41.116758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024220/publication.txt
observed 4762c735f0cd99a29642c37154c13eb7...
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.