OpenTechnical

OT-2026-000085219

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000085219) never changes.

Identity and time

Publication numberOT-2026-000085219 · never reused
Internal UUID01a0ae99-43ba-7161-8019-6134ff23b45b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085219
StatusPUBLIC

Content hashes

Canonical text1cbf66510f71d52f8da3d66301bba9d71aecc843361cf1d65b64ccd5c6f3293d
Markdown0f5e8026e16a29838e8a9e51201bc9dffe39f9347068d7ca4d7beef6517d9464
PDF
Publication page36eb2ed855eba3b4415249a27d9c9d78398baadfeae34356d5794f1ba5e24082
Manifest5158144000188eb007821619c0c23bad73003051ca8779b5b7d33b9e614dafd9

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
Signatureq0DqE6AFTOAeCN2PPI5kc0VivWLyDyTEwBOMBk/JJ9IfTbOItJn4+lx9A7oQrGzorYja2JnJYqgHcfLhmM3lAw==
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

2026-09-17T09:55:19.059954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085219
observed 36eb2ed855eba3b4415249a27d9c9d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.042009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085219/manifest.json
observed 5158144000188eb007821619c0c23bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.024138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085219/publication.md
observed 0f5e8026e16a29838e8a9e51201bc9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:19.005346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085219/publication.txt
observed 1cbf66510f71d52f8da3d66301bba9d7...
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.