Pith Number

pith:EONW7V2G

pith:2014:EONW7V2G4K2CNK7YKEB4LQETTN

not attested not anchored not stored refs pending

On hypergraph Lagrangians

Cheng Zhao, Qingsong Tang, Xiangde Zhang, Xiaojun Lu

arxiv:1405.2855 v1 · 2014-04-30 · 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{EONW7V2G4K2CNK7YKEB4LQETTN}

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	2026-05-18T02:52:04.661432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

239b6fd746e2b426abf85103c5c0939b50e070218264f5a794983e348367a956

Aliases

arxiv: 1405.2855 · arxiv_version: 1405.2855v1 · doi: 10.48550/arxiv.1405.2855 · pith_short_12: EONW7V2G4K2C · pith_short_16: EONW7V2G4K2CNK7Y · pith_short_8: EONW7V2G

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/EONW7V2G4K2CNK7YKEB4LQETTN \
  | 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: 239b6fd746e2b426abf85103c5c0939b50e070218264f5a794983e348367a956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3a6886294db1590267c8765eebfdcbd14e7c6feb0b473b778a9e780d6b6a47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-30T14:31:55Z",
    "title_canon_sha256": "ac4a4135c2aef74763fec4041fe9f369e800dd347ec1ccae1330fda67507e697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2855",
    "kind": "arxiv",
    "version": 1
  }
}