Pith Number

pith:IVKLZ3YZ

pith:2010:IVKLZ3YZJXYJEUFPCXN4XOWERD

not attested not anchored not stored refs pending

Segre numbers, a generalized King formula, and local intersections

Alain Yger, Elizabeth Wulcan, H{\aa}kan Samuelsson Kalm, Mats Andersson

arxiv:1009.2458 v3 · 2010-09-13 · math.CV · 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{IVKLZ3YZJXYJEUFPCXN4XOWERD}

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	2026-05-18T02:45:39.762487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4554bcef194df09250af15dbcbbac488ec15b7a6439efd8b1bc2ba806f719d6f

Aliases

arxiv: 1009.2458 · arxiv_version: 1009.2458v3 · doi: 10.48550/arxiv.1009.2458 · pith_short_12: IVKLZ3YZJXYJ · pith_short_16: IVKLZ3YZJXYJEUFP · pith_short_8: IVKLZ3YZ

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/IVKLZ3YZJXYJEUFPCXN4XOWERD \
  | 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: 4554bcef194df09250af15dbcbbac488ec15b7a6439efd8b1bc2ba806f719d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da05087d66e272917aee8bdaa7969882c6e8cd7fdb90ef75806e7ea979edabeb",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-09-13T17:38:46Z",
    "title_canon_sha256": "a304e616a477cbb33cadcaebc6ae72de1e438fe5b9a7ac0303192db49b6d2593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2458",
    "kind": "arxiv",
    "version": 3
  }
}