Pith Number

pith:C6BFM45M

pith:2014:C6BFM45MHPWSZISLE4MXDK3ADC

not attested not anchored not stored refs pending

The Milnor fiber of the singularity f(x,y) + zg(x,y) = 0

Baldur Sigur{\dh}sson

arxiv:1411.1298 v1 · 2014-11-05 · 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{C6BFM45MHPWSZISLE4MXDK3ADC}

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	2026-05-18T02:38:35.798224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17825673ac3bed2ca24b271971ab6018b2c0e9431dfc0981f7aad345879a5d6f

Aliases

arxiv: 1411.1298 · arxiv_version: 1411.1298v1 · doi: 10.48550/arxiv.1411.1298 · pith_short_12: C6BFM45MHPWS · pith_short_16: C6BFM45MHPWSZISL · pith_short_8: C6BFM45M

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/C6BFM45MHPWSZISLE4MXDK3ADC \
  | 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: 17825673ac3bed2ca24b271971ab6018b2c0e9431dfc0981f7aad345879a5d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5bef45fe0e1eb3c6b60508105f20b436c322ff45b904b8b7d25ffcfb6e47ff0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-05T15:40:47Z",
    "title_canon_sha256": "3bc78e75fe5a08841f8cc112c3e79a89be52b5a6cab37d2c19955a56d69a09ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1298",
    "kind": "arxiv",
    "version": 1
  }
}