Pith Number

pith:JF3Z4GLY

pith:2026:JF3Z4GLY4QH5Q2XSDVTHXTNM4L

not attested not anchored not stored refs pending

A Simple Polynomial-Time EFX Repair for Cancelable Valuations

Arash Ashuri, Bhaskar Ray Chaudhury, Hannaneh Akrami, Kurt Mehlhorn, Maksim Soldatov

arxiv:2608.08864 v1 · 2026-08-09 · 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{JF3Z4GLY4QH5Q2XSDVTHXTNM4L}

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	2026-08-11T01:25:33.870305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49779e1978e40fd86af21d667bcdace2e6be46433502297ed4fbd08396dec2a5

Aliases

arxiv: 2608.08864 · arxiv_version: 2608.08864v1 · doi: 10.48550/arxiv.2608.08864 · pith_short_12: JF3Z4GLY4QH5 · pith_short_16: JF3Z4GLY4QH5Q2XS · pith_short_8: JF3Z4GLY

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/JF3Z4GLY4QH5Q2XSDVTHXTNM4L \
  | 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: 49779e1978e40fd86af21d667bcdace2e6be46433502297ed4fbd08396dec2a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb4dec91e5d9a03edd132e3b2b9091df8cfb6dd1d1b5ec82bb9149608d6cc1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2026-08-09T19:02:11Z",
    "title_canon_sha256": "749eae3d3bfe42da9c8cf12caa70a1bd869a65b6e2456655c911cc0c20153b0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08864",
    "kind": "arxiv",
    "version": 1
  }
}