Pith Number

pith:5DRNG75G

pith:2013:5DRNG75G2OZ3Z4MS75NGXH5WB7

not attested not anchored not stored refs pending

A Spectral Transform Method for Singular Sturm-Liouville Problems with Applications to Energy Diffusion in Plasma Physics

Antoine Cerfon, Jon Wilkening

arxiv:1310.5074 v2 · 2013-10-18 · math.CA · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DRNG75G2OZ3Z4MS75NGXH5WB7}

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	2026-05-18T02:22:30.077145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e2d37fa6d3b3bcf192ff5a6b9fb60fc90170f24b7808ed93dcd4a4867c0d7e

Aliases

arxiv: 1310.5074 · arxiv_version: 1310.5074v2 · doi: 10.48550/arxiv.1310.5074 · pith_short_12: 5DRNG75G2OZ3 · pith_short_16: 5DRNG75G2OZ3Z4MS · pith_short_8: 5DRNG75G

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/5DRNG75G2OZ3Z4MS75NGXH5WB7 \
  | 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: e8e2d37fa6d3b3bcf192ff5a6b9fb60fc90170f24b7808ed93dcd4a4867c0d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f66ca7f4ad486ffff6cdbfed81203e9f6f32cfb2b20841de41cc5e67c9c9eb",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-10-18T16:05:52Z",
    "title_canon_sha256": "d7959e900d509595ad8d63bcbd1b2d1276da0f3862c44742a4d6c92633a3ded9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5074",
    "kind": "arxiv",
    "version": 2
  }
}