Pith Number

pith:ZQCETX2X

pith:2023:ZQCETX2XUTEN5EH2KHSTCMUEXD

not attested not anchored not stored refs pending

A Note on the Strict Transformation of an Effective Cartier Divisor

Yu Zhao

arxiv:2304.09475 v1 · 2023-04-19 · 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{ZQCETX2XUTEN5EH2KHSTCMUEXD}

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	2026-07-05T06:02:38.908532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0449df57a4c8de90fa51e5313284b8dfb315ea7a4815283700fe3526b0289d

Aliases

arxiv: 2304.09475 · arxiv_version: 2304.09475v1 · doi: 10.48550/arxiv.2304.09475 · pith_short_12: ZQCETX2XUTEN · pith_short_16: ZQCETX2XUTEN5EH2 · pith_short_8: ZQCETX2X

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/ZQCETX2XUTEN5EH2KHSTCMUEXD \
  | 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: cc0449df57a4c8de90fa51e5313284b8dfb315ea7a4815283700fe3526b0289d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80c91b419645c15ce344f4ae1fe65e929c5687cffd42cc45991a1d4600ec9353",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-04-19T07:44:36Z",
    "title_canon_sha256": "1ba1d848b277d652fc338cb18a3a8b6371e6fdf9f51971c6e50cbdd30c60d762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09475",
    "kind": "arxiv",
    "version": 1
  }
}