Pith Number

pith:BFKV5W3O

pith:2013:BFKV5W3OBZLFZFFFHFCFT2P2XR

not attested not anchored not stored refs pending

The Fujiki class and positive degree maps

Gautam Bharali, Indranil Biswas, Mahan Mj

arxiv:1312.5655 v2 · 2013-12-19 · math.GT · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFKV5W3OBZLFZFFFHFCFT2P2XR}

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	2026-05-18T01:34:42.322173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09555edb6e0e565c94a5394459e9fabc6edd4952b0637794628d584fa62cab58

Aliases

arxiv: 1312.5655 · arxiv_version: 1312.5655v2 · doi: 10.48550/arxiv.1312.5655 · pith_short_12: BFKV5W3OBZLF · pith_short_16: BFKV5W3OBZLFZFFF · pith_short_8: BFKV5W3O

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/BFKV5W3OBZLFZFFFHFCFT2P2XR \
  | 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: 09555edb6e0e565c94a5394459e9fabc6edd4952b0637794628d584fa62cab58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "443c49e2ecf19b02d41a59d57fd6d8f68d87ff1de3bd7db63f4492386ef63cf6",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-12-19T17:34:23Z",
    "title_canon_sha256": "4e156d597519e8ffee7d13dd9016c895c3a8dedce50461a34b20b5a9b126dfd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5655",
    "kind": "arxiv",
    "version": 2
  }
}