Pith Number

pith:N37PCGX7

pith:2010:N37PCGX7DHKT2CFHIEJ72DU7U6

not attested not anchored not stored refs pending

An approximation algorithm for the solution of the nonlinear Lane-Emden type equations arising in astrophysics using Hermite functions collocation method

A.R. Rezaei, K. Parand, Mehdi Dehghan, S.M. Ghaderi

arxiv:1008.2063 v1 · 2010-08-12 · math-ph · astro-ph.IM · cs.NA · math.MP · 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{N37PCGX7DHKT2CFHIEJ72DU7U6}

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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	2026-05-18T04:09:03.849787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6efef11aff19d53d08a74113fd0e9fa7a50b9b6ab462cd380637993f10f51bb4

Aliases

arxiv: 1008.2063 · arxiv_version: 1008.2063v1 · doi: 10.48550/arxiv.1008.2063 · pith_short_12: N37PCGX7DHKT · pith_short_16: N37PCGX7DHKT2CFH · pith_short_8: N37PCGX7

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/N37PCGX7DHKT2CFHIEJ72DU7U6 \
  | 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: 6efef11aff19d53d08a74113fd0e9fa7a50b9b6ab462cd380637993f10f51bb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ff30d92aa3778c97eabc1f53b01f55cf8c71756453ae9584221504f2a24439",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.NA",
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-08-12T08:13:09Z",
    "title_canon_sha256": "b15dde74865ee403fbf3af708533efcec0cebd9214c9ecd9917211bb0a618731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2063",
    "kind": "arxiv",
    "version": 1
  }
}