Pith Number

pith:QDWPJER6

pith:2018:QDWPJER6ZHY25RBCRQ7IHXC54X

not attested not anchored not stored refs pending

Analyzing the love affair of Romeo and Juliet with modern mathematical tools

Karl E.Lonngren, Raul Isea

arxiv:1805.06891 v1 · 2018-05-17 · physics.soc-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{QDWPJER6ZHY25RBCRQ7IHXC54X}

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	2026-05-18T00:15:42.788963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ecf4923ec9f1aec4228c3e83dc5de5fc210e1a7848fb287afc2a9fedd5aa41

Aliases

arxiv: 1805.06891 · arxiv_version: 1805.06891v1 · doi: 10.48550/arxiv.1805.06891 · pith_short_12: QDWPJER6ZHY2 · pith_short_16: QDWPJER6ZHY25RBC · pith_short_8: QDWPJER6

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/QDWPJER6ZHY25RBCRQ7IHXC54X \
  | 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: 80ecf4923ec9f1aec4228c3e83dc5de5fc210e1a7848fb287afc2a9fedd5aa41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1796a0ece77b7c9684db21f81f788ae692247cf83f633afa38824ae651f0765b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-05-17T05:41:50Z",
    "title_canon_sha256": "83674537aad2f1ec40974b60cb9d83f31b38c15b6c91cde8c00ac27e6fc94a1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06891",
    "kind": "arxiv",
    "version": 1
  }
}