Pith Number

pith:BWJAJYNY

pith:2026:BWJAJYNY73CZ24XUMBLANND5MH

not attested not anchored not stored refs pending

Rigidity Criterion for Certain Calabi-Yau Families

Chenglong Yu, Kang Zuo, Ruiran Sun

arxiv:2601.17894 v3 · 2026-01-25 · 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{BWJAJYNY73CZ24XUMBLANND5MH}

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	2026-06-03T01:05:48.069487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9204e1b8fec59d72f4605606b47d61f378580d3f2be3f7723cd0c53bba6bf1

Aliases

arxiv: 2601.17894 · arxiv_version: 2601.17894v3 · doi: 10.48550/arxiv.2601.17894 · pith_short_12: BWJAJYNY73CZ · pith_short_16: BWJAJYNY73CZ24XU · pith_short_8: BWJAJYNY

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/BWJAJYNY73CZ24XUMBLANND5MH \
  | 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: 0d9204e1b8fec59d72f4605606b47d61f378580d3f2be3f7723cd0c53bba6bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ab6ff19ddbb9b07a26c0b7511a65be98218d596fd830962e89b7601fcef2c78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-01-25T16:09:11Z",
    "title_canon_sha256": "18c6255e0a27dfa157a8135e037a288057407d8064ee2c4bc73aeb1d867624f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.17894",
    "kind": "arxiv",
    "version": 3
  }
}