Pith Number

pith:JMTGSIXN

pith:2010:JMTGSIXNFOVCOWIW56DDNF3LWV

not attested not anchored not stored refs pending

Generic Torelli theorem for Prym varieties of ramified coverings

Gian Pietro Pirola, Valeria Ornella Marcucci

arxiv:1010.4483 v3 · 2010-10-21 · 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{JMTGSIXNFOVCOWIW56DDNF3LWV}

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	2026-05-17T23:53:19.618210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b266922ed2baa275916ef8636976bb56388e51646a3ba0d284e08651853d2e3

Aliases

arxiv: 1010.4483 · arxiv_version: 1010.4483v3 · doi: 10.48550/arxiv.1010.4483 · pith_short_12: JMTGSIXNFOVC · pith_short_16: JMTGSIXNFOVCOWIW · pith_short_8: JMTGSIXN

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/JMTGSIXNFOVCOWIW56DDNF3LWV \
  | 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: 4b266922ed2baa275916ef8636976bb56388e51646a3ba0d284e08651853d2e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab295d7889d77eb5464c299c4b997988c3d8b22445cede88a1b83efb4bf1156b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-21T14:19:56Z",
    "title_canon_sha256": "51b275145714e5de02c63bca3cc04007f7f69b754745271554e1be9b62ca6192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4483",
    "kind": "arxiv",
    "version": 3
  }
}