OpenTechnical

OT-2026-000033180

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000033180) never changes.

Identity and time

Publication numberOT-2026-000033180 · never reused
Internal UUID01a0ae75-4844-74b7-b974-9aeb819ac6c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033180
StatusPUBLIC

Content hashes

Canonical textc7b1cdcca6444045e375e4e84220fda01d8853d52642ed7fbf88a356d2ccb99e
Markdowna298c9d263a567495a1c2b6238ec046c150c1dd71ea90ff5a49155c912c33c41
PDF
Publication page4527ca5a644675f91b394b1eab2716fc4da3e5d87be5e60a8a63650a7ddd5c8d
Manifest62e09037c09f2dcdb8d4f59a3fb1a1000f82021efd18ba34a2d6c9f7f9022240

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
SignatureVnF2oWnVQ9XYqz9LM3OSGINMBS4q5YRnHpSbwskfq9h7sGl4Z/Ma6yPJC16srfB2nl4sSHDvRjbTX5uqjXwuBQ==
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

2026-09-17T11:32:52.441877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033180
observed 4527ca5a644675f91b394b1eab2716fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.424443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033180/manifest.json
observed 62e09037c09f2dcdb8d4f59a3fb1a100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.407259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033180/publication.md
observed a298c9d263a567495a1c2b6238ec046c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.388747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033180/publication.txt
observed c7b1cdcca6444045e375e4e84220fda0...
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.