Pith Number

pith:JLD4BTMP

pith:2016:JLD4BTMPDEMBHUKLDPPNQTMK6G

not attested not anchored not stored refs pending

Extension of a factorization method of nonlinear second order ODE's with variable coefficients

H.C. Rosu, J.A. Belinchon, M. Perez-Maldonado, O. Cornejo-Perez

arxiv:1612.01938 v3 · 2016-12-06 · 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{JLD4BTMPDEMBHUKLDPPNQTMK6G}

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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	2026-05-18T00:49:02.163084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ac7c0cd8f191813d14b1bded84d8af1b871a9c6f3bba3ffaebd1c3d5621adb5

Aliases

arxiv: 1612.01938 · arxiv_version: 1612.01938v3 · doi: 10.48550/arxiv.1612.01938 · pith_short_12: JLD4BTMPDEMB · pith_short_16: JLD4BTMPDEMBHUKL · pith_short_8: JLD4BTMP

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/JLD4BTMPDEMBHUKLDPPNQTMK6G \
  | 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: 4ac7c0cd8f191813d14b1bded84d8af1b871a9c6f3bba3ffaebd1c3d5621adb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce2a2f827c8657305844e625893e4ac8a6f358ffc9306e9fe3264b03fb040296",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-12-06T18:28:43Z",
    "title_canon_sha256": "ec434a7ed110b3ff3027c704224aaa25e61bfc8df44442dfa637116fb692f944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01938",
    "kind": "arxiv",
    "version": 3
  }
}