Pith Number

pith:4DMJVJGE

pith:2014:4DMJVJGE5P3VZU5LFJLC2GFJSS

not attested not anchored not stored refs pending

Edge-colorings of $K_{m,n}$ which Forbid Multicolored Cycles

Hung-Lin Fu, Ryo-Yu Pei, Yuan-Hsun Lo

arxiv:1407.0043 v1 · 2014-06-30 · 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{4DMJVJGE5P3VZU5LFJLC2GFJSS}

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	2026-05-18T02:48:35.403301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d89aa4c4ebf75cd3ab2a562d18a99482209959b5216657cb29944d8c1c49d9

Aliases

arxiv: 1407.0043 · arxiv_version: 1407.0043v1 · doi: 10.48550/arxiv.1407.0043 · pith_short_12: 4DMJVJGE5P3V · pith_short_16: 4DMJVJGE5P3VZU5L · pith_short_8: 4DMJVJGE

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/4DMJVJGE5P3VZU5LFJLC2GFJSS \
  | 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: e0d89aa4c4ebf75cd3ab2a562d18a99482209959b5216657cb29944d8c1c49d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa442c18e49d47f4d5d8138c4d0dac6228339c19ebd466ad057c31947e19fea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-30T20:17:24Z",
    "title_canon_sha256": "39a4b524b87a4363f020f64bbf9f2701bd9e961ed044153bb77df93dfeac04d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0043",
    "kind": "arxiv",
    "version": 1
  }
}