Pith Number

pith:MHKWTBGI

pith:2009:MHKWTBGIMVKRNTAY5NL3KS6NBS

not attested not anchored not stored refs pending

Turnover, account value and diversification of real traders: evidence of collective portfolio optimizing behavior

Damien Challet, David Morton de Lachapelle

arxiv:0912.4723 v3 · 2009-12-23 · q-fin.TR · physics.soc-ph · 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{MHKWTBGIMVKRNTAY5NL3KS6NBS}

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	2026-05-18T02:10:14.040775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d56984c8655516cc18eb57b54bcd0c983595e9b2f58d2e6f7fb539ac0a06d3

Aliases

arxiv: 0912.4723 · arxiv_version: 0912.4723v3 · doi: 10.48550/arxiv.0912.4723 · pith_short_12: MHKWTBGIMVKR · pith_short_16: MHKWTBGIMVKRNTAY · pith_short_8: MHKWTBGI

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/MHKWTBGIMVKRNTAY5NL3KS6NBS \
  | 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: 61d56984c8655516cc18eb57b54bcd0c983595e9b2f58d2e6f7fb539ac0a06d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b457617f725eaeef5fcf4db7453c23c61cee4135f5706344a2ad99cd1e90df",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2009-12-23T20:28:14Z",
    "title_canon_sha256": "09e7acaee778b186c6dad1c7fe86a6bbae803e4b8a5477be528abef2604b0d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4723",
    "kind": "arxiv",
    "version": 3
  }
}