Pith Number

pith:MKW6U2QA

pith:2018:MKW6U2QAW62WTZEOVVRDIDXFG7

not attested not anchored not stored refs pending

Intersecting Families of Perfect Matchings

Nathan Lindzey

arxiv:1811.06160 v1 · 2018-11-15 · 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{MKW6U2QAW62WTZEOVVRDIDXFG7}

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	2026-05-18T00:00:38.486896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62adea6a00b7b569e48ead62340ee537c9d76ae9d001bb95d0dfab48b31f128f

Aliases

arxiv: 1811.06160 · arxiv_version: 1811.06160v1 · doi: 10.48550/arxiv.1811.06160 · pith_short_12: MKW6U2QAW62W · pith_short_16: MKW6U2QAW62WTZEO · pith_short_8: MKW6U2QA

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/MKW6U2QAW62WTZEOVVRDIDXFG7 \
  | 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: 62adea6a00b7b569e48ead62340ee537c9d76ae9d001bb95d0dfab48b31f128f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4939ad598f25dd80bf8e05124656e2ae076eb3e9729e53d2b66ba8ef8e3276a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-15T03:54:29Z",
    "title_canon_sha256": "64098f857b75deb745b1bfbb985067a6818105a18d4e3a81a319734949bb7bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06160",
    "kind": "arxiv",
    "version": 1
  }
}