Pith Number

pith:FFAV3MXZ

pith:2017:FFAV3MXZTK7UP5UGM3LVVBBW63

not attested not anchored not stored refs pending

On the Dedekind different of a Cayley-Bacharach scheme

Le Ngoc Long, Martin Kreuzer, Tran N. K. Linh

arxiv:1704.03702 v1 · 2017-04-12 · 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{FFAV3MXZTK7UP5UGM3LVVBBW63}

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	2026-05-18T00:46:27.086616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29415db2f99abf47f68666d75a8436f6d6b6ebada47342496d1b2800007b8dea

Aliases

arxiv: 1704.03702 · arxiv_version: 1704.03702v1 · doi: 10.48550/arxiv.1704.03702 · pith_short_12: FFAV3MXZTK7U · pith_short_16: FFAV3MXZTK7UP5UG · pith_short_8: FFAV3MXZ

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/FFAV3MXZTK7UP5UGM3LVVBBW63 \
  | 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: 29415db2f99abf47f68666d75a8436f6d6b6ebada47342496d1b2800007b8dea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dbec834e780d34b94acb9fc28b66ab1e227a8e0f13433766f4fd01f23116044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-12T11:07:13Z",
    "title_canon_sha256": "77a9f474785f028786dd4274aed462d563871879b7449ae8670cfa5b223c1118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03702",
    "kind": "arxiv",
    "version": 1
  }
}