Pith Number

pith:5ZKNDWA5

pith:2013:5ZKNDWA5WDCGGKAOO2U6NH7XX6

not attested not anchored not stored refs pending

Combinatorics of non-ambiguous trees

Adrien Boussicault, Jean-Christophe Aval, Mathilde Bouvel, Matteo Silimbani

arxiv:1305.3716 v1 · 2013-05-16 · 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{5ZKNDWA5WDCGGKAOO2U6NH7XX6}

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	2026-05-18T03:25:34.133709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee54d1d81db0c463280e76a9e69ff7bfac70ac16689672a96ee44e76dae5c8e4

Aliases

arxiv: 1305.3716 · arxiv_version: 1305.3716v1 · doi: 10.48550/arxiv.1305.3716 · pith_short_12: 5ZKNDWA5WDCG · pith_short_16: 5ZKNDWA5WDCGGKAO · pith_short_8: 5ZKNDWA5

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/5ZKNDWA5WDCGGKAOO2U6NH7XX6 \
  | 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: ee54d1d81db0c463280e76a9e69ff7bfac70ac16689672a96ee44e76dae5c8e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8df50e2ba154fda032948ee5ff694f324d3dc7e109370fbe11a30803db22846a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-05-16T08:43:13Z",
    "title_canon_sha256": "5945f72cd7961f09e8861ee8a2e92407325878db96a1f5f3199961fcc06f3bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3716",
    "kind": "arxiv",
    "version": 1
  }
}