pith. sign in
Pith Number

pith:SNNSSBCY

pith:2009:SNNSSBCYNJOKLGDILINR3UXVHT
not attested not anchored not stored refs pending

On the paper "Symmetry analysis of wave equation on sphere" by H. Azad and M. T. Mustafa

Igor Leite Freire

arxiv:0910.0813 v2 · 2009-10-05 · math.AP · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SNNSSBCYNJOKLGDILINR3UXVHT}

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 2026-05-18T00:00:23.222507Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

935b2904586a5ca598685a1b1dd2f53ce5bdffca568aeb1357815ce2c6d0adc3

Aliases

arxiv: 0910.0813 · arxiv_version: 0910.0813v2 · doi: 10.48550/arxiv.0910.0813 · pith_short_12: SNNSSBCYNJOK · pith_short_16: SNNSSBCYNJOKLGDI · pith_short_8: SNNSSBCY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SNNSSBCYNJOKLGDILINR3UXVHT \
  | 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: 935b2904586a5ca598685a1b1dd2f53ce5bdffca568aeb1357815ce2c6d0adc3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "49f7d4b17a23cb89e9e6c55615d8da7f46edeb6dad4850e44396084dd1d06488",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-10-05T17:54:53Z",
    "title_canon_sha256": "ba1ea93f4eb09eb8cfdab6ba5975b95f783d6f6a231f05123fdce674196155eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0813",
    "kind": "arxiv",
    "version": 2
  }
}