Pith Number

pith:EW5VEGPK

pith:2012:EW5VEGPKGF5TL37ST3HQS7HCLH

not attested not anchored not stored refs pending

Tropical Teichmuller and Siegel spaces

Filippo Viviani, Margarida Melo, Melody Chan

arxiv:1207.2443 v2 · 2012-07-10 · math.AG · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EW5VEGPKGF5TL37ST3HQS7HCLH}

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	2026-05-18T03:22:18.892148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25bb5219ea317b35eff29ecf097ce259ed5dd188df400042ecc5155f203deeb1

Aliases

arxiv: 1207.2443 · arxiv_version: 1207.2443v2 · doi: 10.48550/arxiv.1207.2443 · pith_short_12: EW5VEGPKGF5T · pith_short_16: EW5VEGPKGF5TL37S · pith_short_8: EW5VEGPK

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/EW5VEGPKGF5TL37ST3HQS7HCLH \
  | 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: 25bb5219ea317b35eff29ecf097ce259ed5dd188df400042ecc5155f203deeb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bb4bbb7a60e15b3015487e72069e013db5ede38b6e68655c54cc5347a9ea07",
    "cross_cats_sorted": [
      "math.CO",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-10T18:55:54Z",
    "title_canon_sha256": "bdaee71a61a7bfa53d2c38b531aab2bb930707589318ba28e87d57db99fbe05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2443",
    "kind": "arxiv",
    "version": 2
  }
}