Pith Number

pith:XV2JKOLO

pith:2013:XV2JKOLO2HZOKUUEFGROCYNUVB

not attested not anchored not stored refs pending

The application of the exact operational matrices for solving the Emden-Fowler equations, arising in astrophysics

J.A. Rad, K. Parand, Sayyed A. Hossayni

arxiv:1310.1906 v2 · 2013-10-07 · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XV2JKOLO2HZOKUUEFGROCYNUVB}

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	2026-05-18T03:03:31.737499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd7495396ed1f2e5528429a2e161b4a8718cd81a7591cb8f593c20a5c8e3fd9b

Aliases

arxiv: 1310.1906 · arxiv_version: 1310.1906v2 · doi: 10.48550/arxiv.1310.1906 · pith_short_12: XV2JKOLO2HZO · pith_short_16: XV2JKOLO2HZOKUUE · pith_short_8: XV2JKOLO

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/XV2JKOLO2HZOKUUEFGROCYNUVB \
  | 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: bd7495396ed1f2e5528429a2e161b4a8718cd81a7591cb8f593c20a5c8e3fd9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f3b51272459a061c598e74a08722ba77e005a3762dcf8f991592f7d9edd9249",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-10-07T19:51:54Z",
    "title_canon_sha256": "9dac7cc65e26062b251a99e8171c136e6c3b270dbd965162933c3cb6b60147c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1906",
    "kind": "arxiv",
    "version": 2
  }
}