Pith Number

pith:RZ7C4SXH

pith:2013:RZ7C4SXHG5B2GEVJXQMY4CW3VS

not attested not anchored not stored refs pending

Calabi-Yau quotients with terminal singularities

Filippo F. Favale

arxiv:1306.3555 v2 · 2013-06-15 · 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{RZ7C4SXHG5B2GEVJXQMY4CW3VS}

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	2026-05-18T00:44:34.052579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e7e2e4ae73743a312a9bc198e0adbac9b181b8c6058dc5aa12dbe884e8b605d

Aliases

arxiv: 1306.3555 · arxiv_version: 1306.3555v2 · doi: 10.48550/arxiv.1306.3555 · pith_short_12: RZ7C4SXHG5B2 · pith_short_16: RZ7C4SXHG5B2GEVJ · pith_short_8: RZ7C4SXH

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/RZ7C4SXHG5B2GEVJXQMY4CW3VS \
  | 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: 8e7e2e4ae73743a312a9bc198e0adbac9b181b8c6058dc5aa12dbe884e8b605d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf669e5698ba2df77778af4361bf493da648481a2c14e7e98993551ef9d3940e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-06-15T07:47:47Z",
    "title_canon_sha256": "e87de8c8a5c941d1918f90909c15dcb15c21f0f893fef5c9632c06875a4fd40e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3555",
    "kind": "arxiv",
    "version": 2
  }
}