Pith Number

pith:6ZI4NBAI

pith:2019:6ZI4NBAIYWNAB3OQZJDICOMBAK

not attested not anchored not stored refs pending

How should you discount your backtest PnL?

Adam Rej, Jean-Philippe Bouchaud, Philip Seager

arxiv:1902.01802 v1 · 2019-02-05 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZI4NBAIYWNAB3OQZJDICOMBAK}

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	2026-05-17T23:54:42.295208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f651c68408c59a00edd0ca4681398102a8cc14cf2a92763a6a05328edb076193

Aliases

arxiv: 1902.01802 · arxiv_version: 1902.01802v1 · doi: 10.48550/arxiv.1902.01802 · pith_short_12: 6ZI4NBAIYWNA · pith_short_16: 6ZI4NBAIYWNAB3OQ · pith_short_8: 6ZI4NBAI

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/6ZI4NBAIYWNAB3OQZJDICOMBAK \
  | 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: f651c68408c59a00edd0ca4681398102a8cc14cf2a92763a6a05328edb076193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbea0f5a457fa9e8414ca232ba51ac3c0826a045a6873a7a010e4dec6fd70a86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2019-02-05T17:21:45Z",
    "title_canon_sha256": "5eb36956411292cb873e41cb997927ae1dc4d40f8bffd1367d0d525aed4ad772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01802",
    "kind": "arxiv",
    "version": 1
  }
}