Pith Number

pith:AFB6GOKN

pith:2007:AFB6GOKNFZABQV7XJOIGOIUN3U

not attested not anchored not stored refs pending

Hodge genera of algebraic varieties, II

Anatoly Libgober, Julius L. Shaneson, Laurentiu Maxim, Sylvain E. Cappell

arxiv:math/0702380 v2 · 2007-02-13 · math.AT · 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{AFB6GOKNFZABQV7XJOIGOIUN3U}

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	2026-05-18T03:58:48.980591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0143e3394d2e401857f74b9067228ddd1856c459615bd43692acda9951064576

Aliases

arxiv: math/0702380 · arxiv_version: math/0702380v2 · doi: 10.48550/arxiv.math/0702380 · pith_short_12: AFB6GOKNFZAB · pith_short_16: AFB6GOKNFZABQV7X · pith_short_8: AFB6GOKN

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/AFB6GOKNFZABQV7XJOIGOIUN3U \
  | 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: 0143e3394d2e401857f74b9067228ddd1856c459615bd43692acda9951064576

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0370ea017d07dc3f6bda10a8ec4a87a55644c31fe97b4d313d9d56a843a1fd2e",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2007-02-13T17:10:38Z",
    "title_canon_sha256": "1541b445d4f0dd2fd0bbe771dfed747267583a464aa17f83523cb563db66f22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702380",
    "kind": "arxiv",
    "version": 2
  }
}