Pith Number

pith:JSIAMCEX

pith:2015:JSIAMCEX6NDIO4LVSMX7BAMING

not attested not anchored not stored refs pending

Bicoloring covers for graphs and hypergraphs

Sudebkumar Prasant Pal, Tapas Kumar Mishra

arxiv:1501.00343 v4 · 2015-01-02 · cs.DM · 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{JSIAMCEX6NDIO4LVSMX7BAMING}

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	2026-05-18T01:19:35.436480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c90060897f346877175932ff0818869b0f7c461586dee64d57ceee3fbc93e00

Aliases

arxiv: 1501.00343 · arxiv_version: 1501.00343v4 · doi: 10.48550/arxiv.1501.00343 · pith_short_12: JSIAMCEX6NDI · pith_short_16: JSIAMCEX6NDIO4LV · pith_short_8: JSIAMCEX

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/JSIAMCEX6NDIO4LVSMX7BAMING \
  | 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: 4c90060897f346877175932ff0818869b0f7c461586dee64d57ceee3fbc93e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f4f7f6fe59c8f1b1fccdd59d696b8ac6aa4386d8013a192fb281a8ff5e0d482",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-01-02T04:11:11Z",
    "title_canon_sha256": "bf1ca4359e81168845e5ff9077a8a46bbcd3660e74f7c2eb9a56adef52d9fb8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00343",
    "kind": "arxiv",
    "version": 4
  }
}