Pith Number

pith:44EQWDX4

pith:2011:44EQWDX4Q3RGISAPSDCJ5AL5J4

not attested not anchored not stored refs pending

On GIT quotients of Hilbert and Chow schemes of curves

Filippo Viviani, Gilberto Bini, Margarida Melo

arxiv:1109.3645 v2 · 2011-09-16 · 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{44EQWDX4Q3RGISAPSDCJ5AL5J4}

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	2026-05-18T04:02:34.785889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7090b0efc86e264480f90c49e817d4f184748b67810c05a58dc18254febffea

Aliases

arxiv: 1109.3645 · arxiv_version: 1109.3645v2 · doi: 10.48550/arxiv.1109.3645 · pith_short_12: 44EQWDX4Q3RG · pith_short_16: 44EQWDX4Q3RGISAP · pith_short_8: 44EQWDX4

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/44EQWDX4Q3RGISAPSDCJ5AL5J4 \
  | 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: e7090b0efc86e264480f90c49e817d4f184748b67810c05a58dc18254febffea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a648a10ec32f084ebdf2fd484f0dfc82ab04522bc0e524a4390d789b34667e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-09-16T15:08:09Z",
    "title_canon_sha256": "2c933055562424eadc974e6f3daa152924b925fa7f84b6c7596fceeb0acbe20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3645",
    "kind": "arxiv",
    "version": 2
  }
}