OpenTechnical

OT-2026-000047446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047446) never changes.

Identity and time

Publication numberOT-2026-000047446 · never reused
Internal UUID01a0ae7f-3e58-7fea-b63b-0075ffb08317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047446
StatusPUBLIC

Content hashes

Canonical text6d36bf47f42a0ca24a3cb3496f08f8aa07aca5dc08c72f66ceecae0ab362c3b1
Markdown1a878be7038971809c018b88920b2a7bc0723dead6fb648d4049b4207b263ad5
PDF
Publication page3ce97d6ad305984a5fde15aca16944c8f10e1a444b4e10b795bd48c3e27f8edb
Manifest04265acae00bc94e47bf63df5a6a8db23fc801b2cc4492ca902daa34d424ed63

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
SignatureFu7DMTkQmLb/YpVytSJNefXH4agP1t2MHh3SOnG74WKcABNrhR905S7MyDYQI9cp9VZ11p7WTpArVFL2V3gxCQ==
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

2026-09-17T11:06:28.480517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047446
observed 3ce97d6ad305984a5fde15aca16944c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.463789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047446/manifest.json
observed 04265acae00bc94e47bf63df5a6a8db2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.446117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047446/publication.md
observed 1a878be7038971809c018b88920b2a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:28.427985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047446/publication.txt
observed 6d36bf47f42a0ca24a3cb3496f08f8aa...
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.