Pith Number

pith:NNDXF22S

pith:2022:NNDXF22S6W5W6LQFBT2Y6LIFZH

not attested not anchored not stored refs pending

A short proof of a conjecture of Matsushita

Benjamin Bakker

arxiv:2209.00604 v2 · 2022-09-01 · 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{NNDXF22S6W5W6LQFBT2Y6LIFZH}

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.

Cited by

1 paper in Pith

Hodge theory and o-minimality at CIRM

Receipt and verification

First computed	2026-07-05T05:02:13.514126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4772eb52f5bb6f2e050cf58f2d05c9f737e8b1bc19a89c27c15636ec47cbcd

Aliases

arxiv: 2209.00604 · arxiv_version: 2209.00604v2 · doi: 10.48550/arxiv.2209.00604 · pith_short_12: NNDXF22S6W5W · pith_short_16: NNDXF22S6W5W6LQF · pith_short_8: NNDXF22S

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/NNDXF22S6W5W6LQFBT2Y6LIFZH \
  | 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: 6b4772eb52f5bb6f2e050cf58f2d05c9f737e8b1bc19a89c27c15636ec47cbcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "442dae01e2f13a84d387c6e9f5a87642b8653dd1b8611be3ff9f468a5b43fac0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-09-01T17:17:31Z",
    "title_canon_sha256": "c65a6742ed0be895218b358a201ffe5ac0e75e4876b564950d62e46f3cfdce2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.00604",
    "kind": "arxiv",
    "version": 2
  }
}