OpenTechnical

OT-2026-000046013

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000046013) never changes.

Identity and time

Publication numberOT-2026-000046013 · never reused
Internal UUID01a0ae7e-0329-7c8f-ad99-dd90fe300802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046013
StatusPUBLIC

Content hashes

Canonical text384bcb9ebf7da9db9a2910b331628033947037f81b24477181c5651de575eb72
Markdown4471c2f0e12e3a293e22ed3000db02e56d697650477111699234b4a14b5eb6ba
PDF
Publication pagecf0530ffe5b055b3a6767495edb9db5647f62e774d022c9f1da1e1aeac5f1f03
Manifestbf0b362e375a9cd6ee125bcd28b761b85ed85824502a9aea23da0c9200f13350

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
Signature+1f1eG+6WvLOjAGdFEn8V36Wze2uQ1EDk3p5UYdTVLJHySl238jIW+ffX3vV9AWOmzer1lqgyMp2RvRnGVHCCg==
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

2026-09-17T11:08:57.334813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046013
observed cf0530ffe5b055b3a6767495edb9db56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.314168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046013/manifest.json
observed bf0b362e375a9cd6ee125bcd28b761b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.277175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046013/publication.md
observed 4471c2f0e12e3a293e22ed3000db02e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.214266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046013/publication.txt
observed 384bcb9ebf7da9db9a2910b331628033...
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.