Pith Number

pith:KE27U4QQ

pith:2015:KE27U4QQMXGMKPVIJTXXWCIU2K

not attested not anchored not stored refs pending

Combinatorics of Poincar\'e's and Schr\"oder's equations

Fr\'ed\'eric Menous, Jean-Christophe Novelli, Jean-Yves Thibon

arxiv:1506.08107 v2 · 2015-06-26 · 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{KE27U4QQMXGMKPVIJTXXWCIU2K}

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	2026-05-18T01:04:33.287996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5135fa721065ccc53ea84cef7b0914d2848e3c6f3f8b1757ade425fa54c96a5a

Aliases

arxiv: 1506.08107 · arxiv_version: 1506.08107v2 · doi: 10.48550/arxiv.1506.08107 · pith_short_12: KE27U4QQMXGM · pith_short_16: KE27U4QQMXGMKPVI · pith_short_8: KE27U4QQ

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/KE27U4QQMXGMKPVIJTXXWCIU2K \
  | 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: 5135fa721065ccc53ea84cef7b0914d2848e3c6f3f8b1757ade425fa54c96a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4db8d38025a1178ac0764d53c396e13fa49d681a9a8d50b94894c40da284a874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-06-26T15:05:45Z",
    "title_canon_sha256": "aa0a8dbb40c2496db93fe48e48d8b7e3ef9d40ddbb8d1d9c46fe2870cbe1f66c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08107",
    "kind": "arxiv",
    "version": 2
  }
}