Pith Number

pith:JY3CCJIC

pith:2007:JY3CCJICN4VK3LMNI47ELOGOPX

not attested not anchored not stored refs pending

The Evolution of Bias - Generalized

Kyle P. Parfrey (Columbia University), Lam Hui

arxiv:0712.1162 v3 · 2007-12-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JY3CCJICN4VK3LMNI47ELOGOPX}

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	2026-07-04T15:23:48.198256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e362125026f2aadad8d473e45b8ce7dee303e06cd2ac45f405e43836f305029

Aliases

arxiv: 0712.1162 · arxiv_version: 0712.1162v3 · doi: 10.48550/arxiv.0712.1162 · pith_short_12: JY3CCJICN4VK · pith_short_16: JY3CCJICN4VK3LMN · pith_short_8: JY3CCJIC

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/JY3CCJICN4VK3LMNI47ELOGOPX \
  | 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: 4e362125026f2aadad8d473e45b8ce7dee303e06cd2ac45f405e43836f305029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35228fbf9ab75b20fde9bb50d2a40598c23f5eb22e8d3e76c7482cef9f85589",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-07T15:47:26Z",
    "title_canon_sha256": "a75e75e0b86127e66bca2b2f110d52d9b41a01342e739b0d5da2c4471c933a4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1162",
    "kind": "arxiv",
    "version": 3
  }
}