Pith Number

pith:JLJTZDRK

pith:2024:JLJTZDRKZLZ4ZHTL3AA4INDNUM

not attested not anchored not stored refs pending

The X-ray enhancements of radio-loud quasars at high redshift: New results at $z = 4\text{ -- }7$

F. Vito, Gordon P. Garmire, Jianfeng Wu, Shifu Zhu, W. N. Brandt, Yongquan Xue, Zihao Zuo

arxiv:2402.17828 v1 · 2024-02-27 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLJTZDRKZLZ4ZHTL3AA4INDNUM}

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	2026-07-05T07:50:08.765704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ad33c8e2acaf3cc9e6bd801c4346da306f5ccdd31199a1366d0fc13fd710218

Aliases

arxiv: 2402.17828 · arxiv_version: 2402.17828v1 · doi: 10.48550/arxiv.2402.17828 · pith_short_12: JLJTZDRKZLZ4 · pith_short_16: JLJTZDRKZLZ4ZHTL · pith_short_8: JLJTZDRK

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/JLJTZDRKZLZ4ZHTL3AA4INDNUM \
  | 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: 4ad33c8e2acaf3cc9e6bd801c4346da306f5ccdd31199a1366d0fc13fd710218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2228e0f094b208f484fdaee8f6d529e7334261507db93f57320e1e6d26ff5a02",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-02-27T19:00:02Z",
    "title_canon_sha256": "da13ed3a6a409c0877f6212531beac1b4f32fb27758f679e27d73e3b345a4030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.17828",
    "kind": "arxiv",
    "version": 1
  }
}