OpenTechnical

OT-2026-000084219

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000084219) never changes.

Identity and time

Publication numberOT-2026-000084219 · never reused
Internal UUID01a0ae98-5b60-72e3-b83c-889c8989c331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084219
StatusPUBLIC

Content hashes

Canonical textcb8864fd6471a803919403680fdb601644f10f65254242f54cd335a781c9947b
Markdown01a31dcfb827f0a21e627cde1cf937c7562620af887325e9413d66a536e52f31
PDF
Publication page5daba34efd746b5f98cf3829272ef5090f9a2de5fa60abc7cb295e0890b4a689
Manifest171788dad9340b4c858eb95a25e180ea0a4ea6537b7cb61c7065072b876603f7

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
SignaturefMmx57GG5E+XfBralj+cnf6D+bKfpWnPZMmz3hqxBEZridDSxkH2UJWmpe7eQQsX0l0PXsgLXv0dAxGxWyVFBA==
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

2026-09-17T09:56:00.463958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084219
observed 5daba34efd746b5f98cf3829272ef509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.444233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084219/manifest.json
observed 171788dad9340b4c858eb95a25e180ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.425559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084219/publication.md
observed 01a31dcfb827f0a21e627cde1cf937c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.407478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084219/publication.txt
observed cb8864fd6471a803919403680fdb6016...
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.