Pith Number

pith:DH6WFY2V

pith:2015:DH6WFY2V4YNFDJW4D7XYYWFRNR

not attested not anchored not stored refs pending

Parking functions for trees and mappings

Alois Panholzer, Marie-Louise Bruner

arxiv:1504.04972 v1 · 2015-04-20 · 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{DH6WFY2V4YNFDJW4D7XYYWFRNR}

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	2026-05-18T02:18:23.071527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fd62e355e61a51a6dc1fef8c58b16c6a836d5db4f2be2c2a3f3dd52a95a25a

Aliases

arxiv: 1504.04972 · arxiv_version: 1504.04972v1 · doi: 10.48550/arxiv.1504.04972 · pith_short_12: DH6WFY2V4YNF · pith_short_16: DH6WFY2V4YNFDJW4 · pith_short_8: DH6WFY2V

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/DH6WFY2V4YNFDJW4D7XYYWFRNR \
  | 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: 19fd62e355e61a51a6dc1fef8c58b16c6a836d5db4f2be2c2a3f3dd52a95a25a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "083994d05fad4fa94fc7c4d7a4369a563b05294b402204b47b49b0f5476d58f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-20T08:51:37Z",
    "title_canon_sha256": "f5f04cf94536edf025a8456b6d6015617ff9612bed7d2af537b3ca72e74b286f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04972",
    "kind": "arxiv",
    "version": 1
  }
}