Pith Number

pith:3V6KR4SC

pith:2011:3V6KR4SCXWIBTHIBB2EOWITWBH

not attested not anchored not stored refs pending

Prym map and second gaussian map for Prym-canonical line bundles

Elisabetta Colombo, Paola Frediani

arxiv:1105.4472 v3 · 2011-05-23 · 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{3V6KR4SCXWIBTHIBB2EOWITWBH}

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	2026-05-18T03:32:45.622475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7ca8f242bd90199d010e88eb227609f1be4390c56c219defe78fe34b475cb0

Aliases

arxiv: 1105.4472 · arxiv_version: 1105.4472v3 · doi: 10.48550/arxiv.1105.4472 · pith_short_12: 3V6KR4SCXWIB · pith_short_16: 3V6KR4SCXWIBTHIB · pith_short_8: 3V6KR4SC

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/3V6KR4SCXWIBTHIBB2EOWITWBH \
  | 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: dd7ca8f242bd90199d010e88eb227609f1be4390c56c219defe78fe34b475cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e0da8fc6a32825a0a477242b63c5d471723ae75303502dc9bdfcf5656f93e5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-05-23T11:43:30Z",
    "title_canon_sha256": "a23e7ff02677c7a91190b8e6b53ddf0c11c875c185d02438f38ad810d14693ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4472",
    "kind": "arxiv",
    "version": 3
  }
}