Pith Number

pith:2YEYH7NX

pith:2019:2YEYH7NXYEBHR7HLJAEQUPDEFL

not attested not anchored not stored refs pending

Beating humans in a penny-matching game by leveraging cognitive hierarchy theory and Bayesian learning

Anouck Girard, Ilya Kolmanovsky, Nan Li, Ran Tian

arxiv:1909.12701 v3 · 2019-09-27 · cs.AI · cs.GT · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YEYH7NXYEBHR7HLJAEQUPDEFL}

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	2026-07-05T02:14:51.899834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d60983fdb7c10278fceb48090a3c642ae6cf22dae32ee8f49c89555428447fd3

Aliases

arxiv: 1909.12701 · arxiv_version: 1909.12701v3 · doi: 10.48550/arxiv.1909.12701 · pith_short_12: 2YEYH7NXYEBH · pith_short_16: 2YEYH7NXYEBHR7HL · pith_short_8: 2YEYH7NX

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/2YEYH7NXYEBHR7HLJAEQUPDEFL \
  | 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: d60983fdb7c10278fceb48090a3c642ae6cf22dae32ee8f49c89555428447fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d667b282de509bf5a7c244e46b9d00cf3df07cec0ee6e3702d8b014c9da92c",
    "cross_cats_sorted": [
      "cs.GT",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-09-27T14:16:50Z",
    "title_canon_sha256": "8b3a4d8866937ce5b671aad67c104c93c9bf6c2c8e5d18a03cb5f38626eb4d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12701",
    "kind": "arxiv",
    "version": 3
  }
}