Pith Number

pith:NCEGKZIN

pith:2014:NCEGKZINUROKEVBYR2DWGDICPL

not attested not anchored not stored refs pending

The Sturm-Liouville Hierarchy of Evolution Equations and Limits of Algebro-Geometric Initial Data

Luca Zampogni, Russell Johnson

arxiv:1403.1012 v1 · 2014-03-05 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCEGKZINUROKEVBYR2DWGDICPL}

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	2026-05-18T02:57:05.922865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

688865650da45ca254388e87630d027afb05bff2d9ab8c7de66ff2ffa77f22b9

Aliases

arxiv: 1403.1012 · arxiv_version: 1403.1012v1 · doi: 10.48550/arxiv.1403.1012 · pith_short_12: NCEGKZINUROK · pith_short_16: NCEGKZINUROKEVBY · pith_short_8: NCEGKZIN

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/NCEGKZINUROKEVBYR2DWGDICPL \
  | 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: 688865650da45ca254388e87630d027afb05bff2d9ab8c7de66ff2ffa77f22b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b38ab2ea7381ef29b443c103f944ca4c32ac69b685b476ab8b5f4b9958d1b6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-03-05T06:05:06Z",
    "title_canon_sha256": "2510609fa8a9cb2f2d22f84c864d7efc53248508049fc9d99cd141591cbf8e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1012",
    "kind": "arxiv",
    "version": 1
  }
}