Pith Number

pith:CYLNMI27

pith:2015:CYLNMI27TK2LP66HNWS76DFCGG

not attested not anchored not stored refs pending

McKay correspondence and new Calabi-Yau threefolds

Xun Yu

arxiv:1507.00577 v1 · 2015-07-02 · 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{CYLNMI27TK2LP66HNWS76DFCGG}

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	2026-05-18T01:37:24.254394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1616d6235f9ab4b7fbc76da5ff0ca231b91beba3673d62412dc2bfa10cf21d67

Aliases

arxiv: 1507.00577 · arxiv_version: 1507.00577v1 · doi: 10.48550/arxiv.1507.00577 · pith_short_12: CYLNMI27TK2L · pith_short_16: CYLNMI27TK2LP66H · pith_short_8: CYLNMI27

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/CYLNMI27TK2LP66HNWS76DFCGG \
  | 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: 1616d6235f9ab4b7fbc76da5ff0ca231b91beba3673d62412dc2bfa10cf21d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76973211017ba532fbc6564ebd1416664bf6cefddc96b6da5930d11417abb03f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-07-02T13:41:42Z",
    "title_canon_sha256": "b2f12f00c7bc8814872b6a2caa0c20c5d4aad00b7325e22ec7f873764ffba99c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00577",
    "kind": "arxiv",
    "version": 1
  }
}