Pith Number

pith:ANP7YZDC

pith:2014:ANP7YZDC3DKK5LLMKVUDDD5RZQ

not attested not anchored not stored refs pending

The Derivative Degree Sequences of Finite Simple Connected Graphs are Parking Functions

Johan Kok

arxiv:1409.4163 v1 · 2014-09-15 · 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{ANP7YZDC3DKK5LLMKVUDDD5RZQ}

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	2026-05-18T02:42:52.889977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

035ffc6462d8d4aead6c5568318fb1cc09c1a6adad6418f61a65c9b4080c86f3

Aliases

arxiv: 1409.4163 · arxiv_version: 1409.4163v1 · doi: 10.48550/arxiv.1409.4163 · pith_short_12: ANP7YZDC3DKK · pith_short_16: ANP7YZDC3DKK5LLM · pith_short_8: ANP7YZDC

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/ANP7YZDC3DKK5LLMKVUDDD5RZQ \
  | 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: 035ffc6462d8d4aead6c5568318fb1cc09c1a6adad6418f61a65c9b4080c86f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343e4bd8feb01ae4e97a75d737ec220673bafdb8037237ade902708b7fa690ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-15T06:50:52Z",
    "title_canon_sha256": "698c75de52b7eafcbf0700415fc1fcf048625726d4753a1c14e2e6563b94ace4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4163",
    "kind": "arxiv",
    "version": 1
  }
}