Pith Number

pith:HWXQHSF6

pith:2009:HWXQHSF6A2TK7GCMOTVREELH6A

not attested not anchored not stored refs pending

Parking functions, labeled trees and DCJ sorting scenarios

Aida Ouangraoua, Anne Bergeron

arxiv:0903.2499 v1 · 2009-03-13 · 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{HWXQHSF6A2TK7GCMOTVREELH6A}

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	2026-05-18T02:14:28.306752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3daf03c8be06a6af984c74eb121167f00229a13c49e4e80962baf33fe87de7df

Aliases

arxiv: 0903.2499 · arxiv_version: 0903.2499v1 · doi: 10.48550/arxiv.0903.2499 · pith_short_12: HWXQHSF6A2TK · pith_short_16: HWXQHSF6A2TK7GCM · pith_short_8: HWXQHSF6

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/HWXQHSF6A2TK7GCMOTVREELH6A \
  | 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: 3daf03c8be06a6af984c74eb121167f00229a13c49e4e80962baf33fe87de7df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e4dd8b0e6d246b3ff1f6920696c24bca16174742867431969757347d9b82ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2009-03-13T21:48:20Z",
    "title_canon_sha256": "375e57fcd5fff806c088c6be8915e5af44edcdc8ffadc2041cea4d4110e82536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2499",
    "kind": "arxiv",
    "version": 1
  }
}