Pith Number

pith:O27MOJQ7

pith:2019:O27MOJQ7JCQDRRI7WHULNDSMBX

not attested not anchored not stored refs pending

Machine Learning Risk Models

Willie Yu, Zura Kakushadze

arxiv:1903.06334 v2 · 2019-03-15 · q-fin.PM · q-fin.RM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O27MOJQ7JCQDRRI7WHULNDSMBX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:49:01.531304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76bec7261f48a038c51fb1e8b68e4c0dfcde0a05cae0e1b98d55a8aa28223df5

Aliases

arxiv: 1903.06334 · arxiv_version: 1903.06334v2 · doi: 10.48550/arxiv.1903.06334 · pith_short_12: O27MOJQ7JCQD · pith_short_16: O27MOJQ7JCQDRRI7 · pith_short_8: O27MOJQ7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O27MOJQ7JCQDRRI7WHULNDSMBX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 76bec7261f48a038c51fb1e8b68e4c0dfcde0a05cae0e1b98d55a8aa28223df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c84afc728b2e1655dacd50d3682efaf9880ed3b395e8909d500b1f82423d090",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2019-03-15T02:47:21Z",
    "title_canon_sha256": "b22af8e44058305a16eac30580039c43c1ae43362d80eefb73847ca8bcfc2c5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06334",
    "kind": "arxiv",
    "version": 2
  }
}