Pith Number

pith:BNCC6CTM

pith:2016:BNCC6CTM5NU3FXPEC3WQYWVQXG

not attested not anchored not stored refs pending

On the interplay between embedded graphs and delta-matroids

Carolyn Chun, Iain Moffatt, Ralf Rueckriemen, Steven D. Noble

arxiv:1602.01306 v2 · 2016-02-03 · 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{BNCC6CTM5NU3FXPEC3WQYWVQXG}

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	2026-05-17T23:52:24.850093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b442f0a6ceb69b2dde416ed0c5ab0b9bbf66d105b95eb1c4629862c59efb7f8

Aliases

arxiv: 1602.01306 · arxiv_version: 1602.01306v2 · doi: 10.48550/arxiv.1602.01306 · pith_short_12: BNCC6CTM5NU3 · pith_short_16: BNCC6CTM5NU3FXPE · pith_short_8: BNCC6CTM

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/BNCC6CTM5NU3FXPEC3WQYWVQXG \
  | 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: 0b442f0a6ceb69b2dde416ed0c5ab0b9bbf66d105b95eb1c4629862c59efb7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47a9c5bdf3baa4723c0b6833e83aff7c16a16b5387488b6a137d114b05fa0874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-02-03T14:12:01Z",
    "title_canon_sha256": "28ec89605858be10e4c139626d13a7864a541ba2f77c2b788bc10ade92ba43a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01306",
    "kind": "arxiv",
    "version": 2
  }
}