Pith Number

pith:5XRF52FA

pith:2019:5XRF52FARPKEGJEJBUA66WZYFU

not attested not anchored not stored refs pending

Questions on the Structure of Perfect Matchings inspired by Quantum Physics

Daniel Solt\'esz, Mario Krenn, Xuemei Gu

arxiv:1902.06023 v2 · 2019-02-16 · math.CO · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XRF52FARPKEGJEJBUA66WZYFU}

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.

Cited by

1 paper in Pith

Krenn-Gu conjecture for sparse graphs

Receipt and verification

First computed	2026-05-17T23:40:39.009716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ede25ee8a08bd44324890d01ef5b382d2e742f10456df8e353413141c5740c11

Aliases

arxiv: 1902.06023 · arxiv_version: 1902.06023v2 · doi: 10.48550/arxiv.1902.06023 · pith_short_12: 5XRF52FARPKE · pith_short_16: 5XRF52FARPKEGJEJ · pith_short_8: 5XRF52FA

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/5XRF52FARPKEGJEJBUA66WZYFU \
  | 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: ede25ee8a08bd44324890d01ef5b382d2e742f10456df8e353413141c5740c11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5617c4fabfcf0c99636f557a4c7bf0af523cd9a5ba2392047601c16d72d03274",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-02-16T01:32:28Z",
    "title_canon_sha256": "caab478841bce31c0f12852746e419a0ddb05f5059b6f852e8f38cfe099ee69c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06023",
    "kind": "arxiv",
    "version": 2
  }
}