Pith Number

pith:N7VV7F2F

pith:1995:N7VV7F2FG7PSI6COMDFYEXAGN3

not attested not anchored not stored refs pending

On the Hilbert scheme of curves in higher-dimensional projective space

Barbara Fantechi, Rita Pardini

arxiv:alg-geom/9501009 v1 · 1995-01-17 · alg-geom · 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{N7VV7F2FG7PSI6COMDFYEXAGN3}

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	2026-05-18T01:37:43.031022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6feb5f974537df24784e60cb825c066eda5c33af32955dcf950ad58b97df7b84

Aliases

arxiv: alg-geom/9501009 · arxiv_version: alg-geom/9501009v1 · doi: 10.48550/arxiv.alg-geom/9501009 · pith_short_12: N7VV7F2FG7PS · pith_short_16: N7VV7F2FG7PSI6CO · pith_short_8: N7VV7F2F

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/N7VV7F2FG7PSI6COMDFYEXAGN3 \
  | 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: 6feb5f974537df24784e60cb825c066eda5c33af32955dcf950ad58b97df7b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b02fb17b961fa6e1936f3dfb0a0cba1612e0d92726a68003fbfd88804bf621a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1995-01-17T15:27:37Z",
    "title_canon_sha256": "ded406e34d5c96c06bf4296bc9797653ce20bf8728857a1d8cf13b34cf7d556b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9501009",
    "kind": "arxiv",
    "version": 1
  }
}