Pith Number

pith:O3LSDIV4

pith:2021:O3LSDIV4YZABZ5F652FXXBOYDO

not attested not anchored not stored refs pending

(Almost Full) EFX Exists for Four Agents (and Beyond)

Amos Fiat, Avi Cohen, Ben Berger, Michal Feldman

arxiv:2102.10654 v2 · 2021-02-21 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3LSDIV4YZABZ5F652FXXBOYDO}

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.

Cited by

1 paper in Pith

EFX Allocations on Some Multi-graph Classes

Receipt and verification

First computed	2026-07-05T02:19:00.656961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76d721a2bcc6401cf4beee8b7b85d81bbfd9ba7cb8a6a0d3cf39010df191aba9

Aliases

arxiv: 2102.10654 · arxiv_version: 2102.10654v2 · doi: 10.48550/arxiv.2102.10654 · pith_short_12: O3LSDIV4YZAB · pith_short_16: O3LSDIV4YZABZ5F6 · pith_short_8: O3LSDIV4

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/O3LSDIV4YZABZ5F652FXXBOYDO \
  | 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: 76d721a2bcc6401cf4beee8b7b85d81bbfd9ba7cb8a6a0d3cf39010df191aba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf16c71535e9816e261a6bc0c258250b588324a7e507a4e0b4de7be08d0bc80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2021-02-21T17:46:35Z",
    "title_canon_sha256": "001cb07064a6d5286a623480c6f602e722c1619c7a6570026bc9d46f991e6826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10654",
    "kind": "arxiv",
    "version": 2
  }
}