Pith Number

pith:XAHA7EQV

pith:2018:XAHA7EQVJWRDGUKCTKRD3D464A

not attested not anchored not stored refs pending

A Generalized-Polymatroid Approach to Disjoint Common Independent Sets in Two Matroids

Kenjiro Takazawa, Yu Yokoi

arxiv:1805.05528 v3 · 2018-05-15 · 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{XAHA7EQVJWRDGUKCTKRD3D464A}

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	2026-05-17T23:55:29.380143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80e0f92154da23351429aa23d8f9ee01a59822e46aa310850ceb8d0a91c771c

Aliases

arxiv: 1805.05528 · arxiv_version: 1805.05528v3 · doi: 10.48550/arxiv.1805.05528 · pith_short_12: XAHA7EQVJWRD · pith_short_16: XAHA7EQVJWRDGUKC · pith_short_8: XAHA7EQV

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/XAHA7EQVJWRDGUKCTKRD3D464A \
  | 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: b80e0f92154da23351429aa23d8f9ee01a59822e46aa310850ceb8d0a91c771c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51387bef3468514c500d05dee5fdb633e161ba87c8176a83b0998096a8c006c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-15T02:06:24Z",
    "title_canon_sha256": "07bf0ca5b1ca9354f91a2bc61c8618cef11ba3b79942b4fa57b5f8787f964744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05528",
    "kind": "arxiv",
    "version": 3
  }
}