OpenTechnical

OT-2026-000042077

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off after 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-2026-000042077) never changes.

Identity and time

Publication numberOT-2026-000042077 · never reused
Internal UUID01a0ae7a-5d71-7d55-be87-bd553e7a0be6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042077
StatusPUBLIC

Content hashes

Canonical textb6bbbef5597b3d22353e986893d103d62e4983356013478f9fecb4158b4c2374
Markdown38f23757cfa5d2b5c0a14892430d0de08023f3c74a54133631d61bbe8b46244b
PDF
Publication pagebf9a227d684fe069bf89a21424ccdac503dfbad3307669e29324b5b68d982a92
Manifest5e61ea2de358359d66b6eb5754ee9c98db7270617be015f0923271c29918eda2

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
SignaturehoqViYVGV6ebQbalD3urFmBOqtisGn5DQsiOkU2YQdt0vawHMLie7LS8erkFLG1uFk2DTeMWGtBMIvIHnKRtCA==
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

2026-09-17T11:15:36.153430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042077
observed bf9a227d684fe069bf89a21424ccdac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.134895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042077/manifest.json
observed 5e61ea2de358359d66b6eb5754ee9c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.118183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042077/publication.md
observed 38f23757cfa5d2b5c0a14892430d0de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:36.100085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042077/publication.txt
observed b6bbbef5597b3d22353e986893d103d6...
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.