pith. sign in
Pith Number

pith:J7FNZWXK

pith:2012:J7FNZWXK7VWP2CZDTXUOJOS675
not attested not anchored not stored refs pending

De transformatione seriei divergentis 1 - mx + m(m+n)x^2 - m(m+n)(m+2n)x^3 + etc. in fractionem continuam

Alexander Aycock, Artur Diener, Leonhard Euler

arxiv:1201.6687 v1 · 2012-01-31 · math.HO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J7FNZWXK7VWP2CZDTXUOJOS675}

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 2026-05-18T04:03:29.882832Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4fcadcdaeafd6cfd0b239de8e4ba5eff4c8af9568ce0d17b6d73b1a0949e261c

Aliases

arxiv: 1201.6687 · arxiv_version: 1201.6687v1 · doi: 10.48550/arxiv.1201.6687 · pith_short_12: J7FNZWXK7VWP · pith_short_16: J7FNZWXK7VWP2CZD · pith_short_8: J7FNZWXK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J7FNZWXK7VWP2CZDTXUOJOS675 \
  | 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: 4fcadcdaeafd6cfd0b239de8e4ba5eff4c8af9568ce0d17b6d73b1a0949e261c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "82706cf9abcbae6167bba4c3e1cf8880d6f5c8c840cebbe503b41abd8b2f3e51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-01-31T20:59:34Z",
    "title_canon_sha256": "d0babed22c25c265a597443d6bc48980d74fd8429995836a4f079d07fb1941a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6687",
    "kind": "arxiv",
    "version": 1
  }
}