Pith Number

pith:N4MMNTVD

pith:2021:N4MMNTVDDAWH5P2SYWGWN7O6KN

not attested not anchored not stored refs pending

Parking functions: Interdisciplinary connections

Mei Yin

arxiv:2107.01767 v3 · 2021-07-05 · math.CO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4MMNTVDDAWH5P2SYWGWN7O6KN}

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	2026-07-05T03:20:02.876117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f18c6cea3182c7ebf52c58d66fdde535f4f2a86cd2e7e1e5f96986b65924756

Aliases

arxiv: 2107.01767 · arxiv_version: 2107.01767v3 · doi: 10.48550/arxiv.2107.01767 · pith_short_12: N4MMNTVDDAWH · pith_short_16: N4MMNTVDDAWH5P2S · pith_short_8: N4MMNTVD

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/N4MMNTVDDAWH5P2SYWGWN7O6KN \
  | 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: 6f18c6cea3182c7ebf52c58d66fdde535f4f2a86cd2e7e1e5f96986b65924756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f936a1175ea8b84a9a5ddece4350c31bcbef32d146a3db9be46ef0c6c1b92ff4",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-07-05T03:09:28Z",
    "title_canon_sha256": "429fe4284b7bd9e38df331208a7c451c27f9ba833471ac11ded1475eadc95ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01767",
    "kind": "arxiv",
    "version": 3
  }
}