Pith Number

pith:OAB3AMZ5

pith:2025:OAB3AMZ5JUP4EMLHSPPGM72CJ4

not attested not anchored not stored refs pending

On the existence of EFX allocations for goods

Souvik Roy, Ujjwal Kumar

arxiv:2507.09600 v1 · 2025-07-13 · 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{OAB3AMZ5JUP4EMLHSPPGM72CJ4}

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	2026-07-05T11:36:36.621390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7003b0333d4d1fc2316793de667f424f265c3d1be312646eb40ac0e7791944a3

Aliases

arxiv: 2507.09600 · arxiv_version: 2507.09600v1 · doi: 10.48550/arxiv.2507.09600 · pith_short_12: OAB3AMZ5JUP4 · pith_short_16: OAB3AMZ5JUP4EMLH · pith_short_8: OAB3AMZ5

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/OAB3AMZ5JUP4EMLHSPPGM72CJ4 \
  | 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: 7003b0333d4d1fc2316793de667f424f265c3d1be312646eb40ac0e7791944a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60d63c5b98455948f2affc1b0045ad45497890e988a8d1d65154be89771ff0da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.TH",
    "submitted_at": "2025-07-13T12:08:01Z",
    "title_canon_sha256": "af6c2c14094de440c96398d61b81feb5317254599ddb9670faa73890e152741d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09600",
    "kind": "arxiv",
    "version": 1
  }
}