Pith Number

pith:K56XASZW

pith:2015:K56XASZWGKP3ZFPORFPVPIS5FU

not attested not anchored not stored refs pending

An introduction to coding sequences of graphs

M. K. Sen, Raibatak Sen Gupta, Shamik Ghosh

arxiv:1505.04602 v4 · 2015-05-18 · 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{K56XASZWGKP3ZFPORFPVPIS5FU}

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	2026-05-18T01:11:03.513687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

577d704b36329fbc95ee895f57a25d2d3c811da98a1cc0c8c91e5915788afe4b

Aliases

arxiv: 1505.04602 · arxiv_version: 1505.04602v4 · doi: 10.48550/arxiv.1505.04602 · pith_short_12: K56XASZWGKP3 · pith_short_16: K56XASZWGKP3ZFPO · pith_short_8: K56XASZW

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/K56XASZWGKP3ZFPORFPVPIS5FU \
  | 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: 577d704b36329fbc95ee895f57a25d2d3c811da98a1cc0c8c91e5915788afe4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f7eec427e590f346f0ce9fc504323be8f562ba8521cf271c36faf26ae077c9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-18T12:02:11Z",
    "title_canon_sha256": "26a9407c6f9ec2cfb1a8b467a0416447fd86c48ef886301b02e81e5ef05d48b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04602",
    "kind": "arxiv",
    "version": 4
  }
}