Pith Number

pith:ECMCVQO6

pith:2019:ECMCVQO63YWENYXW6D34J4X7K4

not attested not anchored not stored refs pending

Uniformity-independent minimum degree conditions for perfect matchings in hypergraphs

Asaf Ferber, Vishesh Jain

arxiv:1903.12207 v2 · 2019-03-28 · 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{ECMCVQO63YWENYXW6D34J4X7K4}

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	2026-05-17T23:49:08.653475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20982ac1dede2c46e2f6f0f7c4f2ff57017692699f7feaa9bad31b09090488cb

Aliases

arxiv: 1903.12207 · arxiv_version: 1903.12207v2 · doi: 10.48550/arxiv.1903.12207 · pith_short_12: ECMCVQO63YWE · pith_short_16: ECMCVQO63YWENYXW · pith_short_8: ECMCVQO6

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/ECMCVQO63YWENYXW6D34J4X7K4 \
  | 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: 20982ac1dede2c46e2f6f0f7c4f2ff57017692699f7feaa9bad31b09090488cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1a6b8f9af6eb649d21aba851130c408d2770a76a3781cd1d9c347ae868eb1fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-28T18:17:03Z",
    "title_canon_sha256": "f3bb9083ddfb7ecb2c1b7633500a20e5bc8e708458c2931207ae32a9c66aafe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12207",
    "kind": "arxiv",
    "version": 2
  }
}