Pith Number

pith:EGY5JMUZ

pith:2013:EGY5JMUZGDUXLW7N2AV3332RY5

not attested not anchored not stored refs pending

On the curvature of symmetric products of a compact Riemann surface

Indranil Biswas

arxiv:1302.0472 v1 · 2013-02-03 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGY5JMUZGDUXLW7N2AV3332RY5}

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	2026-05-18T03:34:37.080575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b1d4b29930e975dbedd02bbdef51c7549b332928f1fe4ee98c0d2750aca4a1

Aliases

arxiv: 1302.0472 · arxiv_version: 1302.0472v1 · doi: 10.48550/arxiv.1302.0472 · pith_short_12: EGY5JMUZGDUX · pith_short_16: EGY5JMUZGDUXLW7N · pith_short_8: EGY5JMUZ

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/EGY5JMUZGDUXLW7N2AV3332RY5 \
  | 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: 21b1d4b29930e975dbedd02bbdef51c7549b332928f1fe4ee98c0d2750aca4a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19cc1157416fb02d093499a36369e187728dca1d5d51e1ec198d6c768553598",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-03T11:13:26Z",
    "title_canon_sha256": "17785d2c003cbccb4a5c1ff8d72c28d243870e08e6ed3fb7dbe0f4532b9855b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0472",
    "kind": "arxiv",
    "version": 1
  }
}