Pith Number

pith:YDZKT543

pith:2015:YDZKT5432BRNO7KOYLB3R4HP7G

not attested not anchored not stored refs pending

An almost complex Castelnuovo de Franchis theorem

Indranil Biswas, Mahan Mj

arxiv:1502.06205 v2 · 2015-02-22 · 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{YDZKT5432BRNO7KOYLB3R4HP7G}

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	2026-05-18T01:17:12.864293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f2a9f79bd062d77d4ec2c3b8f0eff9a7995c0d12296ac9990f5ef525ab0b01

Aliases

arxiv: 1502.06205 · arxiv_version: 1502.06205v2 · doi: 10.48550/arxiv.1502.06205 · pith_short_12: YDZKT5432BRN · pith_short_16: YDZKT5432BRNO7KO · pith_short_8: YDZKT543

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/YDZKT5432BRNO7KOYLB3R4HP7G \
  | 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: c0f2a9f79bd062d77d4ec2c3b8f0eff9a7995c0d12296ac9990f5ef525ab0b01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c46f5e83934d67bc56f6f41ef39cdec5e61d21912554683c94ce26e0675831",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-02-22T10:08:10Z",
    "title_canon_sha256": "606c41773ecfb2ca44560ce8ef283cd491f34f5120d608229442117822a8b63f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06205",
    "kind": "arxiv",
    "version": 2
  }
}