pith. sign in
Pith Number

pith:IIRJ6MJP

pith:2018:IIRJ6MJPVJ4E3ZIRALLAH3XZAH
not attested not anchored not stored refs pending

Estimating the fundamental frequency using modified Newton-Raphson algorithm

Debasis Kundu, Swagata Nandi

arxiv:1812.07496 v1 · 2018-11-22 · math.ST · stat.ME · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IIRJ6MJPVJ4E3ZIRALLAH3XZAH}

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 2026-05-17T23:58:00.349931Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

42229f312faa784de51102d603eef901c4d15e12d728ba1899e43fbf017e138d

Aliases

arxiv: 1812.07496 · arxiv_version: 1812.07496v1 · doi: 10.48550/arxiv.1812.07496 · pith_short_12: IIRJ6MJPVJ4E · pith_short_16: IIRJ6MJPVJ4E3ZIR · pith_short_8: IIRJ6MJP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IIRJ6MJPVJ4E3ZIRALLAH3XZAH \
  | 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: 42229f312faa784de51102d603eef901c4d15e12d728ba1899e43fbf017e138d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "13a5b2fd980416c6cc5b1e48acf1d7c47cd49ea17e6c57e22d219fa312c17a77",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-11-22T11:44:40Z",
    "title_canon_sha256": "f75bdc7a55c9977683967b0c4de7757c4339d1e0be359a0c059b9dd4d27475e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07496",
    "kind": "arxiv",
    "version": 1
  }
}