Pith Number

pith:EV5DF5I4

pith:2025:EV5DF5I4B2AYQ4UNV2SUJT2Q76

not attested not anchored not stored refs pending

Bertrand Menu Competition

Bobak Pakzad-Hurson, Fuhito Kojima

arxiv:2504.16842 v2 · 2025-04-23 · econ.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EV5DF5I4B2AYQ4UNV2SUJT2Q76}

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	2026-07-05T11:42:28.809186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257a32f51c0e8188728daea544cf50ffb5b47160a6ed02a9bd3c8d3652101ba2

Aliases

arxiv: 2504.16842 · arxiv_version: 2504.16842v2 · doi: 10.48550/arxiv.2504.16842 · pith_short_12: EV5DF5I4B2AY · pith_short_16: EV5DF5I4B2AYQ4UN · pith_short_8: EV5DF5I4

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/EV5DF5I4B2AYQ4UNV2SUJT2Q76 \
  | 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: 257a32f51c0e8188728daea544cf50ffb5b47160a6ed02a9bd3c8d3652101ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f48131a11ba8086f9f6bd6e0679d3e21c692275cbb0e47489a9ae66796717b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.TH",
    "submitted_at": "2025-04-23T16:06:09Z",
    "title_canon_sha256": "d9d6a018f96be85056342806016e2b57d4a68375171eb74728709b0ed802510c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16842",
    "kind": "arxiv",
    "version": 2
  }
}