Pith Number

pith:2WUTBW2X

pith:2019:2WUTBW2XAT3BBNONP245K3OEMR

not attested not anchored not stored refs pending

Hankel determinant for a class of analytic functions

Milutin Obradovic, Nikola Tuneski

arxiv:1903.07872 v1 · 2019-03-19 · 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{2WUTBW2XAT3BBNONP245K3OEMR}

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	2026-05-17T23:50:53.610639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a930db5704f610b5cd7eb9d56dc464611a76c2f97621c8fa829197e09ac53c

Aliases

arxiv: 1903.07872 · arxiv_version: 1903.07872v1 · doi: 10.48550/arxiv.1903.07872 · pith_short_12: 2WUTBW2XAT3B · pith_short_16: 2WUTBW2XAT3BBNON · pith_short_8: 2WUTBW2X

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/2WUTBW2XAT3BBNONP245K3OEMR \
  | 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: d5a930db5704f610b5cd7eb9d56dc464611a76c2f97621c8fa829197e09ac53c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e603ef977eed8d5f9e7d30ed269a4a60c55d4c07180334f0d6a1987d02a2519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-03-19T08:01:54Z",
    "title_canon_sha256": "e123638caf033bc005398ca7ba193691a13e5eef62992acf3ddb7b764a1dc5db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07872",
    "kind": "arxiv",
    "version": 1
  }
}