Pith Number

pith:7FI3B3TE

pith:2017:7FI3B3TELWPNLEWAIIIICXMNRB

not attested not anchored not stored refs pending

Antimatroids Induced by Matchings

Yasushi Kawase, Yutaro Yamaguchi

arxiv:1705.05510 v2 · 2017-05-16 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FI3B3TELWPNLEWAIIIICXMNRB}

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	2026-05-18T00:06:06.282532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f951b0ee645d9ed592c04210815d8d8850265bb0afaaba3155b6bdbb08e292fb

Aliases

arxiv: 1705.05510 · arxiv_version: 1705.05510v2 · doi: 10.48550/arxiv.1705.05510 · pith_short_12: 7FI3B3TELWPN · pith_short_16: 7FI3B3TELWPNLEWA · pith_short_8: 7FI3B3TE

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/7FI3B3TELWPNLEWAIIIICXMNRB \
  | 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: f951b0ee645d9ed592c04210815d8d8850265bb0afaaba3155b6bdbb08e292fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95490841f3fa3803d722c255a11243f9ab997d640a37c8e917e7e1a418e8dd51",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-16T03:00:45Z",
    "title_canon_sha256": "24d00597e96241431d1e95bf25129a181fb1b8b265393267a55b90c0945c6c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05510",
    "kind": "arxiv",
    "version": 2
  }
}