Pith Number

pith:66F466L2

pith:2009:66F466L2ZF2WRMFUF4SQLXX3VL

not attested not anchored not stored refs pending

Comment on the article "Existence and Regularity for an Energy Maximization Problem in Two Dimensions" by Spyridon Kamvissis, Evguenii A. Rakhmanov

Spyridon Kamvissis

arxiv:0907.5572 v3 · 2009-07-31 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66F466L2ZF2WRMFUF4SQLXX3VL}

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	2026-05-18T02:12:45.632347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78bcf797ac97568b0b42f2505defbaacab93f2caa0cd8e08a32a073a0673a13

Aliases

arxiv: 0907.5572 · arxiv_version: 0907.5572v3 · doi: 10.48550/arxiv.0907.5572 · pith_short_12: 66F466L2ZF2W · pith_short_16: 66F466L2ZF2WRMFU · pith_short_8: 66F466L2

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/66F466L2ZF2WRMFUF4SQLXX3VL \
  | 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: f78bcf797ac97568b0b42f2505defbaacab93f2caa0cd8e08a32a073a0673a13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ea65b812134dc76b9dd67cac57788b7b0aab325859f8a90cab65d0f23e4fdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-07-31T16:37:09Z",
    "title_canon_sha256": "7435b797b006ed05e4863b447e83248d553d4418d3d78acdc9c6c2af48fd214c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5572",
    "kind": "arxiv",
    "version": 3
  }
}