Pith Number

pith:I6TXVLJ4

pith:2025:I6TXVLJ4FQT2IBJBQE76O6BSRL

not attested not anchored not stored refs pending

Prym varieties and projective structures on Riemann surfaces

Alessandro Ghigi, Indranil Biswas, Luca Vai

arxiv:2506.02871 v1 · 2025-06-03 · 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{I6TXVLJ4FQT2IBJBQE76O6BSRL}

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	2026-07-05T11:15:10.774766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a77aad3c2c27a40521813fe778328ac3d680f0b14232a368694f226b07a810

Aliases

arxiv: 2506.02871 · arxiv_version: 2506.02871v1 · doi: 10.48550/arxiv.2506.02871 · pith_short_12: I6TXVLJ4FQT2 · pith_short_16: I6TXVLJ4FQT2IBJB · pith_short_8: I6TXVLJ4

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/I6TXVLJ4FQT2IBJBQE76O6BSRL \
  | 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: 47a77aad3c2c27a40521813fe778328ac3d680f0b14232a368694f226b07a810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22619687f4abc270ab8ff308d1dbc3f2de85f8f8dcd9671377ab71f06bfe75d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-06-03T13:37:42Z",
    "title_canon_sha256": "aa4ab2401c3acb5dc39d93d8cc8719c70235bfbaaa29e1a7371788a7b0f7247a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02871",
    "kind": "arxiv",
    "version": 1
  }
}