Pith Number

pith:NHKQ5MGN

pith:2019:NHKQ5MGNG5R3MVHAVP7HNYCWBS

not attested not anchored not stored refs pending

Successive coefficients for spirallike and related functions

Saminathan Ponnusamy, Swadesh Kumar Sahoo, Vibhuti Arora

arxiv:1903.10232 v1 · 2019-03-25 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHKQ5MGNG5R3MVHAVP7HNYCWBS}

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	2026-05-17T23:50:30.232070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69d50eb0cd3763b654e0abfe76e0560cac41ac599824e144eed807bc30fe6700

Aliases

arxiv: 1903.10232 · arxiv_version: 1903.10232v1 · doi: 10.48550/arxiv.1903.10232 · pith_short_12: NHKQ5MGNG5R3 · pith_short_16: NHKQ5MGNG5R3MVHA · pith_short_8: NHKQ5MGN

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/NHKQ5MGNG5R3MVHAVP7HNYCWBS \
  | 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: 69d50eb0cd3763b654e0abfe76e0560cac41ac599824e144eed807bc30fe6700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53067211ea6274b7d4b815f8028891adb23242d9a37beb08795a4dc09630b2f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-03-25T10:50:36Z",
    "title_canon_sha256": "f6e3e6f22d169c8af92d10db3c6651d4bfc5abde502dd734bbfb69569734773e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10232",
    "kind": "arxiv",
    "version": 1
  }
}