Pith Number

pith:QTGHODXF

pith:2026:QTGHODXFIJFYWPA2YKRKSQLYY2

not attested not anchored not stored refs pending

Multiagent Matroid Upgrading: Greedy is Fair and Efficient

Changfeng Xu, Chao Peng, Chenyang Xu, Qingwen Ma, Ruilong Zhang

arxiv:2606.01309 v1 · 2026-05-31 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTGHODXFIJFYWPA2YKRKSQLYY2}

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	2026-06-02T02:04:29.734663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cc770ee5424b8b3c1ac2a2a94178c6857f67d780ef2772c2840811c667f251

Aliases

arxiv: 2606.01309 · arxiv_version: 2606.01309v1 · doi: 10.48550/arxiv.2606.01309 · pith_short_12: QTGHODXFIJFY · pith_short_16: QTGHODXFIJFYWPA2 · pith_short_8: QTGHODXF

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/QTGHODXFIJFYWPA2YKRKSQLYY2 \
  | 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: 84cc770ee5424b8b3c1ac2a2a94178c6857f67d780ef2772c2840811c667f251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0c260e71100018a298348a68d481beefaf0ed1b9fe472b564aa978e5558c406",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-05-31T15:57:38Z",
    "title_canon_sha256": "49aab0bbe950c35fbfaa918810f05c0d5fb0b29e91df44b63dcca94ade0f3812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01309",
    "kind": "arxiv",
    "version": 1
  }
}