OpenTechnical

OT-2026-000020919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed 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-2026-000020919) never changes.

Identity and time

Publication numberOT-2026-000020919 · never reused
Internal UUID01a0ae6f-65e4-737b-9c84-88dddad7731f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020919
StatusPUBLIC

Content hashes

Canonical textdea71afc32d3405d12e21e9fa4b030f68eabf9ced5b7089f1f8b9be6f2c4aa88
Markdown35f00b4ebfc8f6f00fa5088004165d86f84badcfaf4866681d26bc89433bc423
PDF
Publication page1e62e667663e3913c0e55978ae9966a2a8d1eca456937c7ebedf82bc565a4b42
Manifesta1d73e49a983661beee2a520921680dc87ab39c42f99cf0f37dc19238151e386

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
SignaturelattvFKeoH3zbBlbGOpDkS/mm/3FtiCvenKzRsazg5Ve2g4jfV3BumodGLD+lDcCFR4TIozuvSwY543OxjPwDw==
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

2026-09-17T11:56:02.465217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020919
observed 1e62e667663e3913c0e55978ae9966a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.446937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020919/manifest.json
observed a1d73e49a983661beee2a520921680dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.428937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020919/publication.md
observed 35f00b4ebfc8f6f00fa5088004165d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.410442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020919/publication.txt
observed dea71afc32d3405d12e21e9fa4b030f6...
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.