OpenTechnical

OT-2026-000047308

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000047308) never changes.

Identity and time

Publication numberOT-2026-000047308 · never reused
Internal UUID01a0ae7f-3e56-7efd-8d8c-63c4c299cf28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047308
StatusPUBLIC

Content hashes

Canonical text9af0c63c0379b0b02ad6a780041e7ac74c8f36333865c6e02eadf2791cc8b051
Markdown9b071ed74cad220f035ce5a770ef2543ddfae625f79d2cd5d8d6e64e89a54af6
PDF
Publication page2c7534c1a88f0023ccffe4f5e8edac91372cb4c6c7607d74193ca29d92c77ba2
Manifestcbe201d46ec1891912d83b67b79e561fe4513b34fb79eaec96b407a8a814f875

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
SignatureQ0kRP6dc601MItmf/0PY7IuybeQ4KQ6az+CI2SYaK7js7sgbyh/9QA0YFP5zmXngFEFRC2BU15mFusYUD2bAAg==
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

2026-09-17T11:06:17.315618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047308
observed 2c7534c1a88f0023ccffe4f5e8edac91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.298250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047308/manifest.json
observed cbe201d46ec1891912d83b67b79e561f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.281816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047308/publication.md
observed 9b071ed74cad220f035ce5a770ef2543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.262413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047308/publication.txt
observed 9af0c63c0379b0b02ad6a780041e7ac7...
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.