OpenTechnical

OT-2026-000047274

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000047274) never changes.

Identity and time

Publication numberOT-2026-000047274 · never reused
Internal UUID01a0ae7f-3e56-7004-ad3d-b4b9b950e571 · 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-2026-000047274
StatusPUBLIC

Content hashes

Canonical textffb05e2680b99f46f479257b54aba421838e694d833386f5cc345208eef8f115
Markdown32e5fd72929ce2598ce078c3ee6355759677fbec4b89859471534793e9ae3137
PDF
Publication page4ae349d3cbc65cd2a04cb52be344993d56feda8f6726f8bd9d3ad7af37dd3d2e
Manifest9a384eeffa1adb48d2863fad13d32acfd02ef1149f3850974a5d34d70f9fb059

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
SignatureQYD3M9iWooSa3HWKOUa4khOolrn5aufk/GGgtMtVfcuxeG7wIukBs6o5pLZBKGZejCsYfwM0lYPUN9yzwD5aAg==
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

2026-09-17T11:06:14.470141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047274
observed 4ae349d3cbc65cd2a04cb52be344993d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.452301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047274/manifest.json
observed 9a384eeffa1adb48d2863fad13d32acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.434080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047274/publication.md
observed 32e5fd72929ce2598ce078c3ee635575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.414241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047274/publication.txt
observed ffb05e2680b99f46f479257b54aba421...
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.