Pith Number

pith:7L7ZJFB2

pith:2014:7L7ZJFB2FDIHS5WMKORBWDJCPQ

not attested not anchored not stored refs pending

Graphical representations of graphic frame matroids

Daryl Funk, Irene Pivotto, Matt DeVos, Rong chen

arxiv:1403.7733 v1 · 2014-03-30 · 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{7L7ZJFB2FDIHS5WMKORBWDJCPQ}

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	2026-05-18T02:55:12.520816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faff94943a28d07976cc53a21b0d227c08ebdc9bc56dd7585dceeebcae55c5ea

Aliases

arxiv: 1403.7733 · arxiv_version: 1403.7733v1 · doi: 10.48550/arxiv.1403.7733 · pith_short_12: 7L7ZJFB2FDIH · pith_short_16: 7L7ZJFB2FDIHS5WM · pith_short_8: 7L7ZJFB2

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/7L7ZJFB2FDIHS5WMKORBWDJCPQ \
  | 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: faff94943a28d07976cc53a21b0d227c08ebdc9bc56dd7585dceeebcae55c5ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a844e9fda6e6699dd1b7b70109b07713cec265a8ebe98d2fc5a16eff9a1d921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-30T10:51:59Z",
    "title_canon_sha256": "0d8d7e6b35b78855779d5fa79d9cf6285383455b69f1c9f00fa8585c351d65ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7733",
    "kind": "arxiv",
    "version": 1
  }
}