Pith Number

pith:7GVNT6FB

pith:1995:7GVNT6FBGX2RKHAIVOQEOT7A63

not attested not anchored not stored refs pending

Iitaka-Severi's Conjecture for Complex Threefolds

Gerd Dethloff

arxiv:alg-geom/9505016 v2 · 1995-05-12 · 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{7GVNT6FBGX2RKHAIVOQEOT7A63}

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	2026-05-18T02:32:31.358304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9aad9f8a135f5151c08aba0474fe0f6f77cfc7496aa0250e828d704fb7ed4ee

Aliases

arxiv: alg-geom/9505016 · arxiv_version: alg-geom/9505016v2 · doi: 10.48550/arxiv.alg-geom/9505016 · pith_short_12: 7GVNT6FBGX2R · pith_short_16: 7GVNT6FBGX2RKHAI · pith_short_8: 7GVNT6FB

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/7GVNT6FBGX2RKHAIVOQEOT7A63 \
  | 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: f9aad9f8a135f5151c08aba0474fe0f6f77cfc7496aa0250e828d704fb7ed4ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d698e4d7918c77f634935f37988b00dbe533ac0781e201726b821513e0a6e2a7",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1995-05-12T08:45:12Z",
    "title_canon_sha256": "9785b6daa64244a721d99aded874acd80a3238d86d7d1f7785cdd70e1ba921aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9505016",
    "kind": "arxiv",
    "version": 2
  }
}