OpenTechnical

OT-2026-000019009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000019009) never changes.

Identity and time

Publication numberOT-2026-000019009 · never reused
Internal UUID01a0ae6e-d523-7eae-aff6-f36d58dc9163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019009
StatusPUBLIC

Content hashes

Canonical text59b4427c6f7dcb3fb3246d8da4726bc6b0548f5b1402dbba3e76f25ad59e412f
Markdownc140dfe3016ab10c3f2585015369b3360e9e86b823ec5b14834c0c6700e14393
PDF
Publication page80522ab8eaee6c9657ebfa2535655da03056b13aea05d358bb8d19b259dc77ed
Manifestdeaa9c4a78a6197a9e67d458e0d8a11a5283d55dd7685fe16c4f7f5cecc08574

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
Signaturenk11u8Z11pqveWQrlgG6uWsr2W58ByCy1xM1ddmr7Y74l5MfQQEH34cwG7RoD3sT2pVo7Lg5BiKXFhFtCntBCg==
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

2026-09-17T11:59:41.804422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019009
observed 80522ab8eaee6c9657ebfa2535655da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.787432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019009/manifest.json
observed deaa9c4a78a6197a9e67d458e0d8a11a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.695407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019009/publication.md
observed c140dfe3016ab10c3f2585015369b336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:41.676461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019009/publication.txt
observed 59b4427c6f7dcb3fb3246d8da4726bc6...
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.