OpenTechnical

OT-2026-000044180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000044180) never changes.

Identity and time

Publication numberOT-2026-000044180 · never reused
Internal UUID01a0ae7b-d67b-75c0-ab61-38960c788059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044180
StatusPUBLIC

Content hashes

Canonical textcc852254ab698fdd25347e339b35b54ff89280e32907825b3ed4c3520a139679
Markdown8d05e79a344e11d600fd2dd67d2556ae8a59862b2894d949e1265336daf81be3
PDF
Publication page04dd5593a58c4bd0e7c985bf552d4876576786310a82462d86dcee11c76aa218
Manifestc66a567664bd5ce1a2d2d6e42138f7ab2eb4602988433ee468e0b5d4a840c7fc

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
Signature7DI1n83qqV7BBnNUJO0+DxqNYvlWTq5aH6Ekj8K3FJ3nlE24XbfkVGUo/eDK76OGOxOmshu9VA7C3HLcZRngDg==
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

2026-09-17T11:12:36.928336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044180
observed 04dd5593a58c4bd0e7c985bf552d4876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.910927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044180/manifest.json
observed c66a567664bd5ce1a2d2d6e42138f7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.891903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044180/publication.md
observed 8d05e79a344e11d600fd2dd67d2556ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.873788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044180/publication.txt
observed cc852254ab698fdd25347e339b35b54f...
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.