Pith Number

pith:FFPQAU2X

pith:2018:FFPQAU2XYT5ECD3MNHHJZOXDGM

not attested not anchored not stored refs pending

Log BPS numbers of log Calabi-Yau surfaces

Jinwon Choi, Michel van Garrel, Nobuyoshi Takahashi, Sheldon Katz

arxiv:1810.02377 v5 · 2018-10-04 · math.AG · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFPQAU2XYT5ECD3MNHHJZOXDGM}

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.

Cited by

1 paper in Pith

On the log-local principle for the toric boundary

Receipt and verification

First computed	2026-07-05T01:44:44.309538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295f005357c4fa410f6c69ce9cbae3332e7d38d8cee20b243ccdcb13283a9384

Aliases

arxiv: 1810.02377 · arxiv_version: 1810.02377v5 · doi: 10.48550/arxiv.1810.02377 · pith_short_12: FFPQAU2XYT5E · pith_short_16: FFPQAU2XYT5ECD3M · pith_short_8: FFPQAU2X

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/FFPQAU2XYT5ECD3MNHHJZOXDGM \
  | 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: 295f005357c4fa410f6c69ce9cbae3332e7d38d8cee20b243ccdcb13283a9384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c47d9b0427372a8948505577439d05145beae584f8977f5cd6e300dfacacf5f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-04T18:02:02Z",
    "title_canon_sha256": "d1c23fffe242448c6a0189aa0e819954795247a37a5bd695e8afe3a872b043f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02377",
    "kind": "arxiv",
    "version": 5
  }
}