Pith Number

pith:5Z5MAND4

pith:2024:5Z5MAND4CBBR3AXYWRG4SEQYKJ

not attested not anchored not stored refs pending

The weakness of soft X-ray intensity: possible physical reason for weak line quasars

Bing Lyu, Chichuan Jin, Hanrui Xue, Jiancheng Wu, Jianfeng Wu, Mengye Wang, Qingwen Wu, Weihua Lei, Xiangli Lei, Xiao Fan, Xinwu Cao

arxiv:2402.10414 v1 · 2024-02-16 · 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{5Z5MAND4CBBR3AXYWRG4SEQYKJ}

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	2026-07-05T07:45:56.146570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee7ac0347c10431d82f8b44dc91218526152e1a9c13a0c9fd69f4f97d7819957

Aliases

arxiv: 2402.10414 · arxiv_version: 2402.10414v1 · doi: 10.48550/arxiv.2402.10414 · pith_short_12: 5Z5MAND4CBBR · pith_short_16: 5Z5MAND4CBBR3AXY · pith_short_8: 5Z5MAND4

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/5Z5MAND4CBBR3AXYWRG4SEQYKJ \
  | 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: ee7ac0347c10431d82f8b44dc91218526152e1a9c13a0c9fd69f4f97d7819957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f8c8634678b331af99f060fc360523dd9de13d58457a25e9d0338cba4f6fe0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-02-16T02:41:44Z",
    "title_canon_sha256": "187d827cf86396e36c120526d5eca780bece4628a403c262d629b5e9abab18a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.10414",
    "kind": "arxiv",
    "version": 1
  }
}