OpenTechnical

OT-2026-000017788

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000017788) never changes.

Identity and time

Publication numberOT-2026-000017788 · never reused
Internal UUID01a0ae6e-96fb-75bc-bb36-5cca494042b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017788
StatusPUBLIC

Content hashes

Canonical text6b1a5bf93a6b82a3caaed46c23fc8f6c17a1200a9d348571ccc6d4542b5700a9
Markdownf899df501781a35ef5528c47bd27b85644620bf8f11be283c98e0a6b2d0d2d78
PDF
Publication page1950ec170689cde77d96a73bec064be7f1ecf6a7a9c90ea920ee293e309bafde
Manifest395b04af83830d717409e154613c19b21122de9885960e4bcb27cfbbe83735aa

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
Signature8t6qlxeh3ZxblGhAsFyspcbiPXD4UQa73YiYqvw8XO2Cu9k88+POO5Mb9jltH/a0hmrSq8y9gmqrWXUXc+HjBA==
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

2026-09-17T12:01:45.143612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017788
observed 1950ec170689cde77d96a73bec064be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.013113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017788/manifest.json
observed 395b04af83830d717409e154613c19b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.995783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017788/publication.md
observed f899df501781a35ef5528c47bd27b856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.979702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017788/publication.txt
observed 6b1a5bf93a6b82a3caaed46c23fc8f6c...
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.