Pith Number

pith:ECIHEOZT

pith:2019:ECIHEOZTASKTB5OIAC3SQCHF3P

not attested not anchored not stored refs pending

Cheng Equation: A Revisit Through Symmetry Analysis

Amlan K Halder, A Paliathanasis, PGL Leach, R Sinuvasan

arxiv:1901.04337 v1 · 2019-01-11 · math.AP · 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{ECIHEOZTASKTB5OIAC3SQCHF3P}

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	2026-05-17T23:56:25.784496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2090723b33049530f5c800b72808e5dbc2b43f69ae01f81422d2a06db9cc9d40

Aliases

arxiv: 1901.04337 · arxiv_version: 1901.04337v1 · doi: 10.48550/arxiv.1901.04337 · pith_short_12: ECIHEOZTASKT · pith_short_16: ECIHEOZTASKTB5OI · pith_short_8: ECIHEOZT

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/ECIHEOZTASKTB5OIAC3SQCHF3P \
  | 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: 2090723b33049530f5c800b72808e5dbc2b43f69ae01f81422d2a06db9cc9d40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "544d759ca669364ba3f9f3f9d26c2878b104534ad5ea1027e34c3cd31fdd786f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-11T09:15:33Z",
    "title_canon_sha256": "f4c1426c80edce6c6b8a53b75af89254783bdffa10bd5504c207f2d984488811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04337",
    "kind": "arxiv",
    "version": 1
  }
}