OpenTechnical

OT-2026-000019514

Publication integrity record

Foam pad vacuum gripper, 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-2026-000019514) never changes.

Identity and time

Publication numberOT-2026-000019514 · never reused
Internal UUID01a0ae6e-f393-781f-b7f4-9ad52455dee6 · 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-2026-000019514
StatusPUBLIC

Content hashes

Canonical textee9a03196b159887fe36e45acd4fa43097ef450e9fdfebbd634c94b5b95f3f67
Markdowne5078716bb3b6daf72c3a94044a42e85c8b08b253f34b86d7575f45462d824da
PDF
Publication paged3712255358cc1bc43dd238919c2d0b34c544ddaeaf92b8c6648cfd46d577bd4
Manifest5cce37d6cc78f3ab0e801293a8da7649be56a7720b2b278a78e4bfa1b9d12869

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
SignatureSFKiBSjnXcJl+clKEFV82LNzG2sCH6jaTNnbzFZt6O5sYZ5Fu95bqzSR4CJiVUC8od6pIivDA5Qldei88QEHDQ==
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

2026-09-17T11:58:56.846592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019514
observed d3712255358cc1bc43dd238919c2d0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.827031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019514/manifest.json
observed 5cce37d6cc78f3ab0e801293a8da7649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.805367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019514/publication.md
observed e5078716bb3b6daf72c3a94044a42e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.785458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019514/publication.txt
observed ee9a03196b159887fe36e45acd4fa430...
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.