Pith Number

pith:EI5AQT4U

pith:2019:EI5AQT4UVOYGDBCDMCDYGJGSAI

not attested not anchored not stored refs pending

Cosmological evolution of quasar radio emission in the view of multifractality

A. Bewketu Belete, Anne Lahteenmaki, B. L. Canto Martins, I. C. Leao, Joni Tammi, J. R. De Medeiros, Merja Tornikosk, Smain Femmam

arxiv:1902.05470 v1 · 2019-02-14 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EI5AQT4UVOYGDBCDMCDYGJGSAI}

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	2026-05-17T23:50:55.642311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

223a084f94abb061844360878324d2021dff92ca890ca05da11e61afa085f9b4

Aliases

arxiv: 1902.05470 · arxiv_version: 1902.05470v1 · doi: 10.48550/arxiv.1902.05470 · pith_short_12: EI5AQT4UVOYG · pith_short_16: EI5AQT4UVOYGDBCD · pith_short_8: EI5AQT4U

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/EI5AQT4UVOYGDBCDMCDYGJGSAI \
  | 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: 223a084f94abb061844360878324d2021dff92ca890ca05da11e61afa085f9b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2fee2cdebb1c1aef3c01e9fa07dbff17b6abfa23824d2c0e0155a340fa89e8d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-14T16:08:18Z",
    "title_canon_sha256": "f3d1d60c0bf42158f04e14f5160dee725c1037c5aa395124791f8d39b0c0c9b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05470",
    "kind": "arxiv",
    "version": 1
  }
}