Pith Number

pith:QQRYGJ2S

pith:2019:QQRYGJ2SSZB4XS6MWZNND73YZ2

not attested not anchored not stored refs pending

Analytic properties of hidden variable recurrent fractal interpolation function with function contractivity factors

Chol-Hui Yun, Mi-Kyong Ri

arxiv:1904.11884 v1 · 2019-04-24 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQRYGJ2SSZB4XS6MWZNND73YZ2}

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	2026-05-17T23:47:40.689413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84238327529643cbcbccb65ad1ff78ce8068ea3f968ac1c51b3eb39a0730d229

Aliases

arxiv: 1904.11884 · arxiv_version: 1904.11884v1 · doi: 10.48550/arxiv.1904.11884 · pith_short_12: QQRYGJ2SSZB4 · pith_short_16: QQRYGJ2SSZB4XS6M · pith_short_8: QQRYGJ2S

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/QQRYGJ2SSZB4XS6MWZNND73YZ2 \
  | 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: 84238327529643cbcbccb65ad1ff78ce8068ea3f968ac1c51b3eb39a0730d229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90d958418bd5851995cf4380cf18bcd06cfa49f3e0cbff61462652ac1165709c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-04-24T02:41:35Z",
    "title_canon_sha256": "34b75453848e3439d1a47ed6be9b52a37ad26154a6559e253a5a7af95ccbeea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11884",
    "kind": "arxiv",
    "version": 1
  }
}