Pith Number

pith:BLF3SLLV

pith:2025:BLF3SLLVY7PIBXFAFGEDZC6UFU

not attested not anchored not stored refs pending

From Hitchin Systems to Rational Elliptic Surfaces with C*-actions via Orbifold Hilbert Schemes

Yonghong Huang

arxiv:2509.14812 v5 · 2025-09-18 · math.AG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLF3SLLVY7PIBXFAFGEDZC6UFU}

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	2026-06-24T01:14:22.129260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0acbb92d75c7de80dca029883c8bd42d3605e9dbf1e2d4a05953b2f2858f23d3

Aliases

arxiv: 2509.14812 · arxiv_version: 2509.14812v5 · doi: 10.48550/arxiv.2509.14812 · pith_short_12: BLF3SLLVY7PI · pith_short_16: BLF3SLLVY7PIBXFA · pith_short_8: BLF3SLLV

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/BLF3SLLVY7PIBXFAFGEDZC6UFU \
  | 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: 0acbb92d75c7de80dca029883c8bd42d3605e9dbf1e2d4a05953b2f2858f23d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad644737779d88ecaa0f531c4b97e491a9c46277485d6d32bde78bb77f40b58",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-09-18T10:13:03Z",
    "title_canon_sha256": "37165f703789742e60867fbc8da617b6ed227b7fd6597b92cf66512e4f535fd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.14812",
    "kind": "arxiv",
    "version": 5
  }
}