Pith Number

pith:EH4V5RY5

pith:2008:EH4V5RY56ZJEGQLKSOSQQRGRAH

not attested not anchored not stored refs pending

Motivic and quantum invariance under stratified Mukai flops

Baohua Fu (LMJL), Chin-Lung Wang

arxiv:0801.3551 v2 · 2008-01-23 · 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{EH4V5RY56ZJEGQLKSOSQQRGRAH}

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	2026-05-18T04:11:29.360252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f95ec71df65243416a93a50844d101f19006a79b003a5c06409cf43781bbc9

Aliases

arxiv: 0801.3551 · arxiv_version: 0801.3551v2 · doi: 10.48550/arxiv.0801.3551 · pith_short_12: EH4V5RY56ZJE · pith_short_16: EH4V5RY56ZJEGQLK · pith_short_8: EH4V5RY5

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/EH4V5RY56ZJEGQLKSOSQQRGRAH \
  | 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: 21f95ec71df65243416a93a50844d101f19006a79b003a5c06409cf43781bbc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e00a81e56ecaafb6c4d1bd4346b0aeb14f788a188d0b94227c1c03f0971d9584",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2008-01-23T11:14:27Z",
    "title_canon_sha256": "9356a5b23b8d1d45f76e16de353192aa3252329f4748278b0181a706163e9530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3551",
    "kind": "arxiv",
    "version": 2
  }
}