OpenTechnical

OT-2026-000092245

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000092245) never changes.

Identity and time

Publication numberOT-2026-000092245 · never reused
Internal UUID01a0ae9d-875a-712e-a6f1-6c976ff452f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092245
StatusPUBLIC

Content hashes

Canonical text282140f3b00b82c9fbf7788d23c302e31a308c89ec6f6579f83e296b30122553
Markdown40d4ca556509626f6e6ed153c39786da38ff7110aaec7b1d3444f39da1e46866
PDF
Publication paged4f575fe497671d130c7027b1d9220ba8a1ce83ec44b3a214ba8be0497c09948
Manifestacc80ba1fe622d003f36f06ec712e5c31cff2c7be0fc2e91afedb15e5e9a0480

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
SignatureoQUlLp6CxCiLSzaSdRBfu8TKNgW6hZzISXK62ZdzLLm69tO8TNWLGSLg78ulkrra3rWWLV6X/Xe+KuNGeL0cBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:46.124951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092245
observed d4f575fe497671d130c7027b1d9220ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.107960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092245/manifest.json
observed acc80ba1fe622d003f36f06ec712e5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.087991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092245/publication.md
observed 40d4ca556509626f6e6ed153c39786da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.069740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092245/publication.txt
observed 282140f3b00b82c9fbf7788d23c302e3...
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.