Pith Number

pith:P5CM7DAK

pith:2010:P5CM7DAKG5TLVTSACNXSFWJHXI

not attested not anchored not stored refs pending

Two-dimensional Systems that Arise from the Noether Classification of Lagrangians on the Line

Fazal M. Mahomed, M. U. Farooq, S. Ali

arxiv:1001.4622 v3 · 2010-01-26 · math.CA · 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{P5CM7DAKG5TLVTSACNXSFWJHXI}

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	2026-05-18T04:17:04.625941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f44cf8c0a3766bace40136f22d927ba1dcccb3d134e98dcb38f49fd3c996c15

Aliases

arxiv: 1001.4622 · arxiv_version: 1001.4622v3 · doi: 10.48550/arxiv.1001.4622 · pith_short_12: P5CM7DAKG5TL · pith_short_16: P5CM7DAKG5TLVTSA · pith_short_8: P5CM7DAK

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/P5CM7DAKG5TLVTSACNXSFWJHXI \
  | 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: 7f44cf8c0a3766bace40136f22d927ba1dcccb3d134e98dcb38f49fd3c996c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09c7007ac2a9a0c2ceca2129e202c246db8e0e9143cbec834921574a66d9f6e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-01-26T09:45:41Z",
    "title_canon_sha256": "2619ce3501070bd3e66d458bbdce6ee41b386764cb5be62e43a7ce81a272ed80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4622",
    "kind": "arxiv",
    "version": 3
  }
}