OpenTechnical

OT-2026-000019813

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000019813) never changes.

Identity and time

Publication numberOT-2026-000019813 · never reused
Internal UUID01a0ae6f-1fb5-7760-8661-f0419b93865e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019813
StatusPUBLIC

Content hashes

Canonical text1ede268f0d0097c8c2780d03ea8dab1e8f2d97f41ae1f956549709aeb18075a7
Markdown16f53e1ec95a431e23a9d52561e56287bb3ba797fc2c7be166a20416156df191
PDF
Publication page611a1378e3fb6ea3eef2b417a1646dd19cbe589dd7b6e615017999b5ca0e9338
Manifestaa0d08391edf6596ee808c9172cb6856a01fbf1c4a73b5c8bad9e8103bbecf32

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
SignatureSMAKRpTcLg7QFOo8gKYhxA1mtHFemHxMUYaGI4pAY1McsfO1gfrYE4OKLHfMYDhtbKFxnv/uWSsMag6aByxxDQ==
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

2026-09-17T11:57:58.523036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019813
observed 611a1378e3fb6ea3eef2b417a1646dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.504343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019813/manifest.json
observed aa0d08391edf6596ee808c9172cb6856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.456924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019813/publication.md
observed 16f53e1ec95a431e23a9d52561e56287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.411589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019813/publication.txt
observed 1ede268f0d0097c8c2780d03ea8dab1e...
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.