OpenTechnical

OT-2026-000042064

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000042064) never changes.

Identity and time

Publication numberOT-2026-000042064 · never reused
Internal UUID01a0ae7a-5d70-7004-a479-7b24fb2ff381 · 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-2026-000042064
StatusPUBLIC

Content hashes

Canonical text8d61d83238aa3d9c8da3a924f3ba8bac4e0be049487e80be809adcfa1c7505fb
Markdownee0481011e6926599a665c6bdc4cb660fd270dc328a266cb11813d1e1ff2cbec
PDF
Publication page822820c1bbffd6b1ea18b66e3dee0892f7f38b8be1d56309f64809bf45dd4a0a
Manifestb8f88813ed811efd24da2e1aefad65eefa109ecd8009fcd4d57a7eb3bb75fffc

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
SignaturewVKX+2Z0skDqprJUR1sF4BHC6x6Jt+p/Uz8PytEaHxmhFWuE6tO8Ao5fkn9oCDn7BFRZI4Vo0MzpkYGdDh73DA==
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

2026-09-17T11:15:35.140891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042064
observed 822820c1bbffd6b1ea18b66e3dee0892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.118081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042064/manifest.json
observed b8f88813ed811efd24da2e1aefad65ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.097700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042064/publication.md
observed ee0481011e6926599a665c6bdc4cb660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.076267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042064/publication.txt
observed 8d61d83238aa3d9c8da3a924f3ba8bac...
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.