Pith Number

pith:SFWEPOBR

pith:2013:SFWEPOBRWAKW5RRWSFHT6VUQX2

not attested not anchored not stored refs pending

Risks of Large Portfolios

Jianqing Fan, Xiaofeng Shi, Yuan Liao

arxiv:1302.0926 v1 · 2013-02-05 · stat.AP · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFWEPOBRWAKW5RRWSFHT6VUQX2}

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	2026-05-18T03:34:26.797234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916c47b831b0156ec636914f3f5690be9c8069d33421419c362c6ef0dba9acae

Aliases

arxiv: 1302.0926 · arxiv_version: 1302.0926v1 · doi: 10.48550/arxiv.1302.0926 · pith_short_12: SFWEPOBRWAKW · pith_short_16: SFWEPOBRWAKW5RRW · pith_short_8: SFWEPOBR

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/SFWEPOBRWAKW5RRWSFHT6VUQX2 \
  | 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: 916c47b831b0156ec636914f3f5690be9c8069d33421419c362c6ef0dba9acae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe335c38f08ee9864f982d143fd83a72517d163a73f8f5cb94e48ab1d39f4799",
    "cross_cats_sorted": [
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-02-05T03:02:39Z",
    "title_canon_sha256": "70a8a2eb3e38c9de903b6d1f2a7e6b0238db7cc4ea110e421a5edc645e7945e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0926",
    "kind": "arxiv",
    "version": 1
  }
}