Pith Number

pith:XU7YM4IP

pith:2022:XU7YM4IPF22RTSE7SKCBJLOGCF

not attested not anchored not stored refs pending

Deformations of some local Calabi-Yau manifolds

Radu Laza, Robert Friedman

arxiv:2203.11738 v6 · 2022-03-22 · 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{XU7YM4IPF22RTSE7SKCBJLOGCF}

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	2026-05-20T14:03:15.627120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd3f86710f2eb519c89f928414adc61170b29d38a856c4900e7163282b7b7147

Aliases

arxiv: 2203.11738 · arxiv_version: 2203.11738v6 · doi: 10.48550/arxiv.2203.11738 · pith_short_12: XU7YM4IPF22R · pith_short_16: XU7YM4IPF22RTSE7 · pith_short_8: XU7YM4IP

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/XU7YM4IPF22RTSE7SKCBJLOGCF \
  | 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: bd3f86710f2eb519c89f928414adc61170b29d38a856c4900e7163282b7b7147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b025c43db746fee38eeffe6ef11e20c7bee7cc1992b1006cdb8581cdfb63c9f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-03-22T13:46:40Z",
    "title_canon_sha256": "ba8695fe906ed21e310b26158f71706b524d876e33126ae39e280a7404db1e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11738",
    "kind": "arxiv",
    "version": 6
  }
}