OpenTechnical

OT-2026-000019549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000019549) never changes.

Identity and time

Publication numberOT-2026-000019549 · never reused
Internal UUID01a0ae6e-f394-753d-a13c-2512e70cc5bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019549
StatusPUBLIC

Content hashes

Canonical textef7412ecd26ac7a68da74a2ae2f94db43027111538b54b65c7c05e545b7e8452
Markdown682f32e95f7b467108fc44f1879252473c4a3663e4307ae9cceee0436b59e8f9
PDF
Publication page45dba5d6ea250ea3e5791d29828fec43afacc457b41e7118438fb6617a7c8b7f
Manifest2d45307f64081cb5b65a2ce6d9fd5944d1aa451f162bbb2f655323e976b43537

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
SignatureWEr31W5OjMC6STB/PTdSY1gmc/BlgEcSMB0YMvCvBywWMeY2IDPL60uICjtkRqDqIb0mJWCZy0/6zq+7YDxYAg==
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

2026-09-17T11:58:59.465940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019549
observed 45dba5d6ea250ea3e5791d29828fec43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.448691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019549/manifest.json
observed 2d45307f64081cb5b65a2ce6d9fd5944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.431286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019549/publication.md
observed 682f32e95f7b467108fc44f187925247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.412608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019549/publication.txt
observed ef7412ecd26ac7a68da74a2ae2f94db4...
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.