Pith Number

pith:Y46BKRJA

pith:2012:Y46BKRJA3CMHRKEXQO5EAEFC7W

not attested not anchored not stored refs pending

An Abundance of K3 Fibrations from Polyhedra with Interchangeable Parts

Andrei Constantin, Harald Skarke, Philip Candelas

arxiv:1207.4792 v1 · 2012-07-19 · hep-th · 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{Y46BKRJA3CMHRKEXQO5EAEFC7W}

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

What to do with a Ricci-flat Calabi--Yau metric?

Receipt and verification

First computed	2026-05-18T01:56:16.056829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c73c154520d89878a89783ba4010a2fda7186fde32d8107bfe5f5141372417b7

Aliases

arxiv: 1207.4792 · arxiv_version: 1207.4792v1 · doi: 10.48550/arxiv.1207.4792 · pith_short_12: Y46BKRJA3CMH · pith_short_16: Y46BKRJA3CMHRKEX · pith_short_8: Y46BKRJA

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/Y46BKRJA3CMHRKEXQO5EAEFC7W \
  | 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: c73c154520d89878a89783ba4010a2fda7186fde32d8107bfe5f5141372417b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dce67687b96a51c9849e2781fdbb4b0d5eff5fa6fa933677e9091c5c03f3e077",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-07-19T20:00:02Z",
    "title_canon_sha256": "8b689e302b9f8375e4e09465d3d115c0d926a72853a2de6142f74a105a39b1b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4792",
    "kind": "arxiv",
    "version": 1
  }
}