Pith Number

pith:NCP6LYWL

pith:2024:NCP6LYWLKZW3KI6JBPLZ7KF572

not attested not anchored not stored refs pending

Matchings in matroids over abelian groups, II

Mohsen Aliabadi, Sophia Yermolenko, Yujia Wu

arxiv:2412.04516 v4 · 2024-12-05 · 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{NCP6LYWLKZW3KI6JBPLZ7KF572}

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	2026-07-05T11:49:48.552432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689fe5e2cb566db523c90bd79fa8bdfe8c9eb8a20d53848b323f7465eba1753e

Aliases

arxiv: 2412.04516 · arxiv_version: 2412.04516v4 · doi: 10.48550/arxiv.2412.04516 · pith_short_12: NCP6LYWLKZW3 · pith_short_16: NCP6LYWLKZW3KI6J · pith_short_8: NCP6LYWL

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/NCP6LYWLKZW3KI6JBPLZ7KF572 \
  | 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: 689fe5e2cb566db523c90bd79fa8bdfe8c9eb8a20d53848b323f7465eba1753e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f569d7d8a9c93a9b09de8a87e083ae89dca724fb98cd2552deaf65e5e14356be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-12-05T06:17:45Z",
    "title_canon_sha256": "91a3ca21ea2c784de681110abc30f3daf7b58466a26e36bdfaeef41659828590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.04516",
    "kind": "arxiv",
    "version": 4
  }
}