Pith Number

pith:CXG2GM4W

pith:2019:CXG2GM4WEZICZPMF5LI6FOLB53

not attested not anchored not stored refs pending

Poisson structure on the moduli spaces of sheaves of pure dimension one on a surface

Indranil Biswas, Tomas L. Gomez

arxiv:1908.08260 v1 · 2019-08-22 · 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{CXG2GM4WEZICZPMF5LI6FOLB53}

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	2026-07-04T23:59:11.248041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15cda3339626502cbd85ead1e2b961eeefd7d5bd99dbb31010feff34e06725ad

Aliases

arxiv: 1908.08260 · arxiv_version: 1908.08260v1 · doi: 10.48550/arxiv.1908.08260 · pith_short_12: CXG2GM4WEZIC · pith_short_16: CXG2GM4WEZICZPMF · pith_short_8: CXG2GM4W

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/CXG2GM4WEZICZPMF5LI6FOLB53 \
  | 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: 15cda3339626502cbd85ead1e2b961eeefd7d5bd99dbb31010feff34e06725ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4cb6eb7505dc603037cd5849a7e5e2af1d2dcb1852bc7fd222a2b7d98aa5216",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-22T08:55:41Z",
    "title_canon_sha256": "fbf64abe71db20c367fe6e719f4451a483b9b3503b5a67418f34b9e6623c2dca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08260",
    "kind": "arxiv",
    "version": 1
  }
}