Pith Number

pith:ST6GKLEI

pith:2013:ST6GKLEIE5B2ZOKL64TZCAUF7Z

not attested not anchored not stored refs pending

On the geometry of Abel maps for nodal curves

Alex Abreu, Juliana Coelho, Marco Pacini

arxiv:1303.6491 v1 · 2013-03-26 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ST6GKLEIE5B2ZOKL64TZCAUF7Z}

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	2026-05-18T03:29:49.293766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94fc652c882743acb94bf727910285fe6a473c65d41a6efebaaa5f9c86cc0964

Aliases

arxiv: 1303.6491 · arxiv_version: 1303.6491v1 · doi: 10.48550/arxiv.1303.6491 · pith_short_12: ST6GKLEIE5B2 · pith_short_16: ST6GKLEIE5B2ZOKL · pith_short_8: ST6GKLEI

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/ST6GKLEIE5B2ZOKL64TZCAUF7Z \
  | 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: 94fc652c882743acb94bf727910285fe6a473c65d41a6efebaaa5f9c86cc0964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2ab0795a964d0ef81b19992478456f5f6000ba3f4aee07b76f4e89f19a6894f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-26T13:57:17Z",
    "title_canon_sha256": "6fa3c59c107c49f4158182b0a1d302c1573331c6f1a1fa2b4c5f712b12e7e786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6491",
    "kind": "arxiv",
    "version": 1
  }
}