Pith Number

pith:DDAV6CZ7

pith:2018:DDAV6CZ7LKV7FN5PIZTM27WPG5

not attested not anchored not stored refs pending

Contest models highlight inherent inefficiencies of scientific funding competitions

Carl T. Bergstrom, Kevin Gross

arxiv:1804.03732 v3 · 2018-04-10 · physics.soc-ph · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDAV6CZ7LKV7FN5PIZTM27WPG5}

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	2026-05-17T23:57:03.004398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c15f0b3f5aabf2b7af4666cd7ecf3747058ba356f504aafb67cc6b42e5f46f

Aliases

arxiv: 1804.03732 · arxiv_version: 1804.03732v3 · doi: 10.48550/arxiv.1804.03732 · pith_short_12: DDAV6CZ7LKV7 · pith_short_16: DDAV6CZ7LKV7FN5P · pith_short_8: DDAV6CZ7

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/DDAV6CZ7LKV7FN5PIZTM27WPG5 \
  | 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: 18c15f0b3f5aabf2b7af4666cd7ecf3747058ba356f504aafb67cc6b42e5f46f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70217a5aa2622482f088742d385b2124b8cf4aea03325933db5a68c055f16055",
    "cross_cats_sorted": [
      "stat.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-04-10T21:53:36Z",
    "title_canon_sha256": "904bc7f08f711adfa699ab11e3e9c51821225e357b16204d3969b403784c2fcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03732",
    "kind": "arxiv",
    "version": 3
  }
}