Pith Number

pith:U74GYLIH

pith:2014:U74GYLIHEW2XYFZM7PZVZIG76Y

not attested not anchored not stored refs pending

Intersection Graphs: An Introduction

Madhumangal Pal

arxiv:1404.5468 v1 · 2014-04-22 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U74GYLIHEW2XYFZM7PZVZIG76Y}

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	2026-05-18T02:53:31.307144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f86c2d0725b57c172cfbf35ca0dff6013d21ced4f1b1b265fa1cabe4895651

Aliases

arxiv: 1404.5468 · arxiv_version: 1404.5468v1 · doi: 10.48550/arxiv.1404.5468 · pith_short_12: U74GYLIHEW2X · pith_short_16: U74GYLIHEW2XYFZM · pith_short_8: U74GYLIH

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/U74GYLIHEW2XYFZM7PZVZIG76Y \
  | 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: a7f86c2d0725b57c172cfbf35ca0dff6013d21ced4f1b1b265fa1cabe4895651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa40124dedec2a497a94561420e9a37d37231b52ad017d369eb1004417fc2cc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-04-22T12:22:31Z",
    "title_canon_sha256": "5dc3d91b6d3b3b0754980ca8517bcebe6269b32737c702f442ed66cc2d9f8064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5468",
    "kind": "arxiv",
    "version": 1
  }
}