Pith Number

pith:5HGDSLH7

pith:2017:5HGDSLH7X76LHFIADSWI6FKIPM

not attested not anchored not stored refs pending

Calabi-Yau metrics with conical singularities along line arrangements

Cristiano Spotti, Martin de Borbon

arxiv:1712.07967 v2 · 2017-12-21 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HGDSLH7X76LHFIADSWI6FKIPM}

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	2026-07-05T03:25:08.525876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cc392cffbffcb395001cac8f15487b3815915bf154ea4339a7078e80eecb55

Aliases

arxiv: 1712.07967 · arxiv_version: 1712.07967v2 · doi: 10.48550/arxiv.1712.07967 · pith_short_12: 5HGDSLH7X76L · pith_short_16: 5HGDSLH7X76LHFIA · pith_short_8: 5HGDSLH7

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/5HGDSLH7X76LHFIADSWI6FKIPM \
  | 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: e9cc392cffbffcb395001cac8f15487b3815915bf154ea4339a7078e80eecb55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70ad2b0aaf7f8e2ec7ac72f2c0e5a8ffde770ff75f4e7ac9bc78dad3eb825c7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-12-21T14:30:40Z",
    "title_canon_sha256": "a77cd82fece1e3b3ea9d36e00b8ed708c27aa5d6f7f622b827ba5ec9a3c3cd3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07967",
    "kind": "arxiv",
    "version": 2
  }
}