Pith Number

pith:2OGM5XUE

pith:2011:2OGM5XUEOOO7S6EFROLOVKZJPB

not attested not anchored not stored refs pending

On the Volume of Complex Amoebas

Farid Madani, Mounir Nisse

arxiv:1101.4693 v2 · 2011-01-25 · math.AG · math.CV · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OGM5XUEOOO7S6EFROLOVKZJPB}

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	2026-05-18T03:54:26.328921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d38ccede84739df978858b96eaab29785d5dd40742f58063e318f0dab96b41a1

Aliases

arxiv: 1101.4693 · arxiv_version: 1101.4693v2 · doi: 10.48550/arxiv.1101.4693 · pith_short_12: 2OGM5XUEOOO7 · pith_short_16: 2OGM5XUEOOO7S6EF · pith_short_8: 2OGM5XUE

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/2OGM5XUEOOO7S6EFROLOVKZJPB \
  | 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: d38ccede84739df978858b96eaab29785d5dd40742f58063e318f0dab96b41a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a93ddf9a950973abbb0bd7e69d3bf939d18c8ece53d6b560e2da7c86aff01436",
    "cross_cats_sorted": [
      "math.CV",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-01-25T00:46:35Z",
    "title_canon_sha256": "68065ccf6f9952df51c392a6164cde206e0d21fc7057226bd93d291b9b659797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4693",
    "kind": "arxiv",
    "version": 2
  }
}