Pith Number

pith:EEFUH42D

pith:2011:EEFUH42DS4BW3D6FSREDL2OEQE

not attested not anchored not stored refs pending

Comparison of a general series expansion method and the homotopy analysis method

Cheng-shi Liu, Y Liu

arxiv:1105.6189 v1 · 2011-05-31 · nlin.SI · math.AP · math.CA · 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{EEFUH42DS4BW3D6FSREDL2OEQE}

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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	2026-05-18T02:01:45.743282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210b43f34397036d8fc5944835e9c4811e527c145d704d8df0e86fe54015d299

Aliases

arxiv: 1105.6189 · arxiv_version: 1105.6189v1 · doi: 10.48550/arxiv.1105.6189 · pith_short_12: EEFUH42DS4BW · pith_short_16: EEFUH42DS4BW3D6F · pith_short_8: EEFUH42D

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/EEFUH42DS4BW3D6FSREDL2OEQE \
  | 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: 210b43f34397036d8fc5944835e9c4811e527c145d704d8df0e86fe54015d299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adbbcafc4b6b74ae08ab8cd750df9dfac3057c4925dea6470dbd95186f2051a6",
    "cross_cats_sorted": [
      "math.AP",
      "math.CA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-05-31T07:36:38Z",
    "title_canon_sha256": "5f22c83bd7e083caca2f80e21d6b9efd7aadceec6735f7c64c8a950488d71cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6189",
    "kind": "arxiv",
    "version": 1
  }
}