Pith Number

pith:HWRMDXSS

pith:2014:HWRMDXSSXQGA7UGTVC3OXRWVMC

not attested not anchored not stored refs pending

The chromatic discrepancy of graphs

Naveen Sivadasan, N.R. Aravind, R.B. Sandeep, Subrahmanyam Kalyanasundaram

arxiv:1401.3251 v2 · 2014-01-14 · 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{HWRMDXSSXQGA7UGTVC3OXRWVMC}

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	2026-05-18T02:34:52.520851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da2c1de52bc0c0fd0d3a8b6ebc6d56083eb50a5dbe73707350b01d81725db24

Aliases

arxiv: 1401.3251 · arxiv_version: 1401.3251v2 · doi: 10.48550/arxiv.1401.3251 · pith_short_12: HWRMDXSSXQGA · pith_short_16: HWRMDXSSXQGA7UGT · pith_short_8: HWRMDXSS

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/HWRMDXSSXQGA7UGTVC3OXRWVMC \
  | 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: 3da2c1de52bc0c0fd0d3a8b6ebc6d56083eb50a5dbe73707350b01d81725db24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d6df3daf80e67b883dec52d39180e7f74c59fb2bdbac1f9930b911caf71797c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-14T16:49:56Z",
    "title_canon_sha256": "d8359d5dd7e4fcdc0765c00d60a5d5f056eeb39be3737ed9c889a1395eb15025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3251",
    "kind": "arxiv",
    "version": 2
  }
}