OpenTechnical

OT-2026-000019618

Publication integrity record

Two pad foam 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-2026-000019618) never changes.

Identity and time

Publication numberOT-2026-000019618 · never reused
Internal UUID01a0ae6f-1fb2-7746-91f2-227cc244432d · 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-2026-000019618
StatusPUBLIC

Content hashes

Canonical text03b20eedc5a21fc25795bb198882a204e19faafbc10b0e490174bc8839bd5922
Markdown95dd81bf5560f4d4030a3b1a86647790d79e75eaa1cf18db2f18dc4083224cab
PDF
Publication pagecbe30be843630ed5bab61971a56986a0d2d5627900eab32420a57096025debb1
Manifestc105ddf265e50dbef741f960c13944f9e75fdfdfc5574a4c48461b91e7b010ea

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
SignaturekaKXYu1C4x0QVkmbUZ7D8XVZmb7E2unR/fhai+H1s42ejz4gmOveJP6AqWf7MrF4yUekkQfYDXUzFRcyVaPkCQ==
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

2026-09-17T08:42:15.723475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019618
observed cbe30be843630ed5bab61971a56986a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:15.246015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019618/manifest.json
observed c105ddf265e50dbef741f960c13944f9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:15.019216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019618/publication.md
observed 95dd81bf5560f4d4030a3b1a86647790...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:14.534926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019618/publication.txt
observed 03b20eedc5a21fc25795bb198882a204...
fetched by grabo-systems from 34.44.131.203, 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.