Pith Number

pith:2SONOXN2

pith:2011:2SONOXN2HV4B4KEK57GQN7CBNP

not attested not anchored not stored refs pending

Pegging Numbers For Various Tree Graphs

Ariel Levavi

arxiv:1103.0516 v1 · 2011-03-02 · math.CO · 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{2SONOXN2HV4B4KEK57GQN7CBNP}

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	2026-05-18T04:27:34.716256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49cd75dba3d781e288aefcd06fc416bd191fd2161294b8760807e997dcd8675

Aliases

arxiv: 1103.0516 · arxiv_version: 1103.0516v1 · doi: 10.48550/arxiv.1103.0516 · pith_short_12: 2SONOXN2HV4B · pith_short_16: 2SONOXN2HV4B4KEK · pith_short_8: 2SONOXN2

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/2SONOXN2HV4B4KEK57GQN7CBNP \
  | 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: d49cd75dba3d781e288aefcd06fc416bd191fd2161294b8760807e997dcd8675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358c55612273d1a3f6c761645d3628efa9301b11a2c136fee22b317ae17a5022",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-03-02T19:16:14Z",
    "title_canon_sha256": "bdaa21399e96ce4d22538236a8f8cf5fed4352d7adde6bb6a8d4c9fd888fb508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0516",
    "kind": "arxiv",
    "version": 1
  }
}