Pith Number

pith:F3LG6WK5

pith:2019:F3LG6WK5BV65VN3LS42QZXWRT7

not attested not anchored not stored refs pending

Counting maximal Lagrangian subbundles over an algebraic curve

Daewoong Cheong, George H. Hitching, Insong Choe

arxiv:1903.04238 v1 · 2019-03-11 · 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{F3LG6WK5BV65VN3LS42QZXWRT7}

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	2026-05-17T23:51:36.105251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ed66f595d0d7ddab76b97350cded19fff1771babc1cc23a93576d517fd29e36

Aliases

arxiv: 1903.04238 · arxiv_version: 1903.04238v1 · doi: 10.48550/arxiv.1903.04238 · pith_short_12: F3LG6WK5BV65 · pith_short_16: F3LG6WK5BV65VN3L · pith_short_8: F3LG6WK5

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/F3LG6WK5BV65VN3LS42QZXWRT7 \
  | 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: 2ed66f595d0d7ddab76b97350cded19fff1771babc1cc23a93576d517fd29e36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10fbb0de40abaff3a6b8bc363a9dffba146a9b26df2313c97306b34557b6ba83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-03-11T12:07:25Z",
    "title_canon_sha256": "85a8a4f6716b697a27c40127c16ebaa30f72cd1e26ee8d7014cd6f3a5cb3b1d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04238",
    "kind": "arxiv",
    "version": 1
  }
}