Pith Number

pith:7ALFR2RO

pith:2019:7ALFR2RODQM5EBTATIAU4QCYGJ

not attested not anchored not stored refs pending

The relationship between the radio core-dominance parameter and spectral index in different classes of extragalactic radio sources (III)

Denis Bastieri, Hu-Bing Xiao, Jiang-He Yang, Jun-Hui Fan, W. X. Yang, Zhi-Yuan Pei

arxiv:1909.06177 v1 · 2019-09-12 · 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{7ALFR2RODQM5EBTATIAU4QCYGJ}

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	2026-07-05T00:46:48.891534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f81658ea2e1c19d206609a014e4058326426c0b67e67110741d246015f020a9a

Aliases

arxiv: 1909.06177 · arxiv_version: 1909.06177v1 · doi: 10.48550/arxiv.1909.06177 · pith_short_12: 7ALFR2RODQM5 · pith_short_16: 7ALFR2RODQM5EBTA · pith_short_8: 7ALFR2RO

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/7ALFR2RODQM5EBTATIAU4QCYGJ \
  | 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: f81658ea2e1c19d206609a014e4058326426c0b67e67110741d246015f020a9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98ce69d3e7c2ec855852cf055b4fc55e57ad422ab5d2eff2240252cceb65270",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-12T10:34:42Z",
    "title_canon_sha256": "fe8f39e7ed4cbb9cfb2b487f44c171ac028d86d5d2d716715208c1b8d60dd89b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06177",
    "kind": "arxiv",
    "version": 1
  }
}