Pith Number

pith:ETZWJ7PO

pith:2016:ETZWJ7POHJ3EMO4PO4F7ITK7XT

not attested not anchored not stored refs pending

The core dominance parameter and \emph{Fermi} detection of extragalactic radio sources

Minfeng Gu, Zhenkuo Liu, Zhongzu Wu

arxiv:1604.04820 v2 · 2016-04-17 · 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{ETZWJ7POHJ3EMO4PO4F7ITK7XT}

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	2026-05-18T01:08:41.902725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f364fdee3a76463b8f770bf44d5fbcd7632a516b2e930595e3e72234be56e3

Aliases

arxiv: 1604.04820 · arxiv_version: 1604.04820v2 · doi: 10.48550/arxiv.1604.04820 · pith_short_12: ETZWJ7POHJ3E · pith_short_16: ETZWJ7POHJ3EMO4P · pith_short_8: ETZWJ7PO

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/ETZWJ7POHJ3EMO4PO4F7ITK7XT \
  | 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: 24f364fdee3a76463b8f770bf44d5fbcd7632a516b2e930595e3e72234be56e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "270413edb570f029561d1596cffa9c2a02f114b457eb4d9eab0b3d5c560756db",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-17T02:41:31Z",
    "title_canon_sha256": "979000d3ea66bd7839f99aed94296afae295aaa9ccae9ca945db60bc47037c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04820",
    "kind": "arxiv",
    "version": 2
  }
}