Pith Number

pith:JOLXMRBN

pith:2013:JOLXMRBNPRDFHDVGKSL5U7GMKX

not attested not anchored not stored refs pending

Free Convex Algebraic Geometry

Igor Klep, J. William Helton, Scott McCullough

arxiv:1304.4272 v1 · 2013-04-15 · math.FA · 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{JOLXMRBNPRDFHDVGKSL5U7GMKX}

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	2026-05-18T03:27:53.588462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b9776442d7c46538ea65497da7ccc55f613c24fe2a64bb4efde0c1aabb774fd

Aliases

arxiv: 1304.4272 · arxiv_version: 1304.4272v1 · doi: 10.48550/arxiv.1304.4272 · pith_short_12: JOLXMRBNPRDF · pith_short_16: JOLXMRBNPRDFHDVG · pith_short_8: JOLXMRBN

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/JOLXMRBNPRDFHDVGKSL5U7GMKX \
  | 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: 4b9776442d7c46538ea65497da7ccc55f613c24fe2a64bb4efde0c1aabb774fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2592e1cfb755fee433f842aef99ccf2c4b24f429265c725dda23a1c05201466a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-04-15T21:24:06Z",
    "title_canon_sha256": "2d998f3dbbb41b7702a43f39f785fd78beb55409116b35a23d82a695407598f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4272",
    "kind": "arxiv",
    "version": 1
  }
}