Pith Number

pith:3NOJQVUK

pith:2014:3NOJQVUK7U2VRKOAQBOE3ZTKWC

not attested not anchored not stored refs pending

On the polar derivative of a polynomial

N. A. Rather, S. H. Ahangar, Suhail Gulzar

arxiv:1403.2270 v1 · 2014-03-10 · 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{3NOJQVUK7U2VRKOAQBOE3ZTKWC}

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	2026-05-18T02:56:44.982249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5c98568afd3558a9c0805c4de66ab0b654415d0a35e4552f35881083207aca

Aliases

arxiv: 1403.2270 · arxiv_version: 1403.2270v1 · doi: 10.48550/arxiv.1403.2270 · pith_short_12: 3NOJQVUK7U2V · pith_short_16: 3NOJQVUK7U2VRKOA · pith_short_8: 3NOJQVUK

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/3NOJQVUK7U2VRKOAQBOE3ZTKWC \
  | 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: db5c98568afd3558a9c0805c4de66ab0b654415d0a35e4552f35881083207aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "926b50515553806a92d63bba58926b152bd7c90f7116e6972db20b1b70cff04a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-03-10T15:41:00Z",
    "title_canon_sha256": "c8a3d2a844657efb0222bf5c0bc7e0ca3033fa9da6ee8ebb6f33d75805472641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2270",
    "kind": "arxiv",
    "version": 1
  }
}