OpenTechnical

OT-2026-000032700

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000032700) never changes.

Identity and time

Publication numberOT-2026-000032700 · never reused
Internal UUID01a0ae75-1070-7d5a-ae5d-c461c4981f69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032700
StatusPUBLIC

Content hashes

Canonical textad1f220f59c70ab73db0f8a216b205f1b8e42989a9623339a96098f2a3264d40
Markdown05e672341bf50637901879f0068e2b2934c0360dc7c475e7a35e1ba1e8f9f4e0
PDF
Publication page569abefebcc01eee662b0082af899d1be11a5ad52d381b3ada52d0ff15d79f64
Manifest9eee565cad71614a00c25f6b8f5ee8f83d5df8d3d2626024c87e75b74d640fa9

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
Signaturey97iLidFzNAebO9K0Pxmd0TEqotL8jqK0ewiHR78d3zUeKUTzpDgH1jrdqkrpUuwYMp4h8Cydi0xsg2Skm4xBA==
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

2026-09-17T11:34:18.762702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032700
observed 569abefebcc01eee662b0082af899d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.744400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032700/manifest.json
observed 9eee565cad71614a00c25f6b8f5ee8f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.722705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032700/publication.md
observed 05e672341bf50637901879f0068e2b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.706814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032700/publication.txt
observed ad1f220f59c70ab73db0f8a216b205f1...
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.