Pith Number

pith:NTLSDTLZ

pith:2009:NTLSDTLZCPOL3VCBIZLZC5VPCT

not attested not anchored not stored refs pending

The poset of bipartitions

Christian Krattenthaler (Universit\"at Wien), G\'abor Hetyei (UNC Charlotte)

arxiv:0906.3879 v3 · 2009-06-21 · 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{NTLSDTLZCPOL3VCBIZLZC5VPCT}

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	2026-05-18T04:15:28.647186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cd721cd7913dcbdd44146579176af14c2a842ba5d5d17a5c9c6677d17ba6e79

Aliases

arxiv: 0906.3879 · arxiv_version: 0906.3879v3 · doi: 10.48550/arxiv.0906.3879 · pith_short_12: NTLSDTLZCPOL · pith_short_16: NTLSDTLZCPOL3VCB · pith_short_8: NTLSDTLZ

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/NTLSDTLZCPOL3VCBIZLZC5VPCT \
  | 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: 6cd721cd7913dcbdd44146579176af14c2a842ba5d5d17a5c9c6677d17ba6e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e300002f8a48c68c5770a1655612026c8a3b3be3dfed20beec561fb58dd32cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-06-21T17:09:58Z",
    "title_canon_sha256": "fb3039d97a0fd8d9cf9c7735a23918c5143e2201e2076b016746fde066ef9c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3879",
    "kind": "arxiv",
    "version": 3
  }
}