Pith Number

pith:Z35BAH5Q

pith:2009:Z35BAH5QWF57574N4CEFJK4YM4

not attested not anchored not stored refs pending

The Evolution of Overconfidence

Dominic D. P. Johnson, James H. Fowler

arxiv:0909.4043 v2 · 2009-09-22 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z35BAH5QWF57574N4CEFJK4YM4}

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	2026-05-18T04:12:21.348197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cefa101fb0b17bfeff8de08854ab98673daa3446884d8d04a50819da343d3c4d

Aliases

arxiv: 0909.4043 · arxiv_version: 0909.4043v2 · doi: 10.48550/arxiv.0909.4043 · pith_short_12: Z35BAH5QWF57 · pith_short_16: Z35BAH5QWF57574N · pith_short_8: Z35BAH5Q

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/Z35BAH5QWF57574N4CEFJK4YM4 \
  | 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: cefa101fb0b17bfeff8de08854ab98673daa3446884d8d04a50819da343d3c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59edad6237ba46949b49d59a1ebeef0f5965c2039960acad03dad2859ae76c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-09-22T17:42:26Z",
    "title_canon_sha256": "7c8289409ca466d58c71d0c1eae30fb119b612e8e7f7a960381cc1a56b1e06e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4043",
    "kind": "arxiv",
    "version": 2
  }
}