Pith Number

pith:OYL6YMG6

pith:2021:OYL6YMG6I2LMA7VZ7PTUERVRX4

not attested not anchored not stored refs pending

Log canonical models of foliated surfaces

Yen-An Chen

arxiv:2103.12669 v2 · 2021-03-23 · 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{OYL6YMG6I2LMA7VZ7PTUERVRX4}

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

Effective generation for foliated surfaces: results and applications

Receipt and verification

First computed	2026-07-05T03:59:38.475229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7617ec30de4696c07eb9fbe74246b1bf27dee6075f36f77db5f18768b760bd97

Aliases

arxiv: 2103.12669 · arxiv_version: 2103.12669v2 · doi: 10.48550/arxiv.2103.12669 · pith_short_12: OYL6YMG6I2LM · pith_short_16: OYL6YMG6I2LMA7VZ · pith_short_8: OYL6YMG6

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/OYL6YMG6I2LMA7VZ7PTUERVRX4 \
  | 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: 7617ec30de4696c07eb9fbe74246b1bf27dee6075f36f77db5f18768b760bd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ee2ef218a4ccad368e8355cf5c00eb7f77e5853236b0fb3060ec399f96c1be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2021-03-23T16:40:43Z",
    "title_canon_sha256": "1505fd69924a17e922347dd819ecf010beb8327147d4c6f42e013177d2babf22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12669",
    "kind": "arxiv",
    "version": 2
  }
}