Pith Number

pith:3CYIHMDX

pith:2019:3CYIHMDXZ6EV72YIKE7EGMYGU7

not attested not anchored not stored refs pending

Exact rainbow numbers for matchings in plane triangulations

Jun Yue, Yongtang Shi, Yongxin Lan, Zhongmei Qin

arxiv:1903.00717 v1 · 2019-03-02 · 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{3CYIHMDXZ6EV72YIKE7EGMYGU7}

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	2026-05-17T23:52:13.522964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b083b077cf895feb08513e433306a7d6429bf3400582816ed0d240de8c5914

Aliases

arxiv: 1903.00717 · arxiv_version: 1903.00717v1 · doi: 10.48550/arxiv.1903.00717 · pith_short_12: 3CYIHMDXZ6EV · pith_short_16: 3CYIHMDXZ6EV72YI · pith_short_8: 3CYIHMDX

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/3CYIHMDXZ6EV72YIKE7EGMYGU7 \
  | 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: d8b083b077cf895feb08513e433306a7d6429bf3400582816ed0d240de8c5914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403ac8af74be834cebd9f783427c585a498d355dba145b3951c0d28f0d255e31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-02T15:06:50Z",
    "title_canon_sha256": "4e8039c8cd9d90ef3d749f917935c05084f5380c62f378f73a44224be07fe0c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00717",
    "kind": "arxiv",
    "version": 1
  }
}