Pith Number

pith:BSDESDQY

pith:2024:BSDESDQYHFARR7TKRUSFNVA2LS

not attested not anchored not stored refs pending

The Poincar\'e Problem for a foliated surface

Shengli Tan, Xin L\"u

arxiv:2404.16293 v2 · 2024-04-25 · 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{BSDESDQYHFARR7TKRUSFNVA2LS}

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

Birational boundedness of stable families

Receipt and verification

First computed	2026-07-05T09:16:48.738200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c86490e18394118fe6a8d2456d41a5ca351f699b63b3895dd6eb754d600da94

Aliases

arxiv: 2404.16293 · arxiv_version: 2404.16293v2 · doi: 10.48550/arxiv.2404.16293 · pith_short_12: BSDESDQYHFAR · pith_short_16: BSDESDQYHFARR7TK · pith_short_8: BSDESDQY

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/BSDESDQYHFARR7TKRUSFNVA2LS \
  | 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: 0c86490e18394118fe6a8d2456d41a5ca351f699b63b3895dd6eb754d600da94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "106bc32a6f1cb42c5ab032e1ec158cfd8de8f33121a469f2518c15ea4a6b1c7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-04-25T02:25:10Z",
    "title_canon_sha256": "5f5410c08dcc90b455acdb3c7e470a0542d7a837450062dd0f9faa9a0f9f551e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16293",
    "kind": "arxiv",
    "version": 2
  }
}