OpenTechnical

OT-2026-000018472

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000018472) never changes.

Identity and time

Publication numberOT-2026-000018472 · never reused
Internal UUID01a0ae6e-b48a-74f7-a376-bc3f4fe68111 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018472
StatusPUBLIC

Content hashes

Canonical textdaf1afe72297057dca33662661021007075ee578cbdf8cc91d5d20e2550e9467
Markdowndfeb8881c3a193f7479de5c8c6d9d80a3a73e8a2ea7f7eaaacf479207fdddb6c
PDF
Publication page90911ac59718f33bddd7096b395d00b42b56edbe53b01b73638f023c81cad740
Manifest7fd0250a8af04cf93530e2696f92fc949cfca170114b225ff8e67d8b9cfeaf5f

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
Signature/EN4YpZklZMMLA1OHds4WqyJnA0cy9sWN1IuV3xOfv6jh1YKV2UN0CfVl7+zfng5kc5FuJTdJb4uAh6hFe5SAQ==
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

2026-09-17T12:01:14.311095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018472
observed 90911ac59718f33bddd7096b395d00b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.294900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018472/manifest.json
observed 7fd0250a8af04cf93530e2696f92fc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.276654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018472/publication.md
observed dfeb8881c3a193f7479de5c8c6d9d80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.258855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018472/publication.txt
observed daf1afe72297057dca33662661021007...
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.