Pith Number

pith:IPGLXUO2

pith:2026:IPGLXUO26CIAYP5Q2UNUA2KOYP

not attested not anchored not stored refs pending

Arc-disjoint Steiner Cycles in Digraphs

Chuchu Wang, Jie Bai, Shanshan Yu, Yuefang Sun

arxiv:2605.15773 v1 · 2026-05-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPGLXUO26CIAYP5Q2UNUA2KOYP}

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	2026-05-20T00:01:17.563811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ccbbd1daf0900c3fb0d51b40694ec3ee04a1f59eb711633cc597ebaee8a795

Aliases

arxiv: 2605.15773 · arxiv_version: 2605.15773v1 · doi: 10.48550/arxiv.2605.15773 · pith_short_12: IPGLXUO26CIA · pith_short_16: IPGLXUO26CIAYP5Q · pith_short_8: IPGLXUO2

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/IPGLXUO26CIAYP5Q2UNUA2KOYP \
  | 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: 43ccbbd1daf0900c3fb0d51b40694ec3ee04a1f59eb711633cc597ebaee8a795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b904fcdf2a9b344ce89138794545e4dcc62c55e9e91a8c888e2879536f1dad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-15T09:27:57Z",
    "title_canon_sha256": "6bdd44bf0aec25ebdd59bac20325fe70f9517d65dcfe47fd1aaf73939f2e76ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15773",
    "kind": "arxiv",
    "version": 1
  }
}