Pith Number

pith:ML25UR5T

pith:2010:ML25UR5TGU6LH4HR7GYFELQ5HU

not attested not anchored not stored refs pending

On the decomposition of connected graphs into their biconnected components

Angela Mestre

arxiv:1001.3163 v2 · 2010-01-19 · 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{ML25UR5TGU6LH4HR7GYFELQ5HU}

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	2026-05-18T03:31:07.232442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f5da47b3353cb3f0f1f9b0522e1d3d03ca648c7ffcb82229ee8aff9c8885cd

Aliases

arxiv: 1001.3163 · arxiv_version: 1001.3163v2 · doi: 10.48550/arxiv.1001.3163 · pith_short_12: ML25UR5TGU6L · pith_short_16: ML25UR5TGU6LH4HR · pith_short_8: ML25UR5T

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/ML25UR5TGU6LH4HR7GYFELQ5HU \
  | 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: 62f5da47b3353cb3f0f1f9b0522e1d3d03ca648c7ffcb82229ee8aff9c8885cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "212a8c2227086fb3e696c9e945504348b2018537f9594ab7c5f6cee90518cb61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-01-19T17:20:09Z",
    "title_canon_sha256": "c6fa9895c248d9e6ab03a58fd9c82ca3fca25f8d9215ecc40ecf08d282be2395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3163",
    "kind": "arxiv",
    "version": 2
  }
}