OpenTechnical

OT-2026-000062288

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000062288) never changes.

Identity and time

Publication numberOT-2026-000062288 · never reused
Internal UUID01a0ae8c-0abe-78d6-a819-6c9af9a5d03f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062288
StatusPUBLIC

Content hashes

Canonical textc018bb810e421e51f32aaafdd9d4e37fd0c75fbc17779fe72732760485b19868
Markdown63d2aff0b87412885c0c7c31928783087c7aff6c057064ddfc3fc1efec52c7fc
PDF
Publication page8de33b10b018dcf3c40d7420dc4b59a0c983af062486b608c91c0414c521f331
Manifest2363c69d9a910075bde6f5798123ca62a025a4b76b9aa2996e075ba62bc4c766

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
SignaturevwwfAkkk16wDlC7yqsRgtvuN6IXMq9MR2ZydTcQAZ2MOnpSohaEvF/h9nWMpBT8+ARN2kN3sm/9ylWQbDjNVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:34.457280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062288
observed 8de33b10b018dcf3c40d7420dc4b59a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.439023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062288/manifest.json
observed 2363c69d9a910075bde6f5798123ca62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.420795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062288/publication.md
observed 63d2aff0b87412885c0c7c3192878308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.403098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062288/publication.txt
observed c018bb810e421e51f32aaafdd9d4e37f...
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.