Pith Number

pith:PJTXOK5M

pith:2024:PJTXOK5MVRLFS343KPZL65XS4U

not attested not anchored not stored refs pending

Conflict-free Hypergraph Matchings and Coverings

Dhruv Mubayi, Felix Joos, Zak Smith

arxiv:2407.18144 v2 · 2024-07-25 · 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{PJTXOK5MVRLFS343KPZL65XS4U}

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	2026-06-25T01:17:43.139007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a67772bacac56596f9b53f2bf76f2e51d5d601b7e1408db8c5df7e93a2675d4

Aliases

arxiv: 2407.18144 · arxiv_version: 2407.18144v2 · doi: 10.48550/arxiv.2407.18144 · pith_short_12: PJTXOK5MVRLF · pith_short_16: PJTXOK5MVRLFS343 · pith_short_8: PJTXOK5M

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/PJTXOK5MVRLFS343KPZL65XS4U \
  | 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: 7a67772bacac56596f9b53f2bf76f2e51d5d601b7e1408db8c5df7e93a2675d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b7150964d4e00479f158f01c8b89d03198ad0db5bd62861a2c460d826b0469",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-07-25T15:49:22Z",
    "title_canon_sha256": "81b21918f5a6b477d736a00ec2a198c581afb1b7e51acab08ef118025890a2c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.18144",
    "kind": "arxiv",
    "version": 2
  }
}