Pith Number

pith:LH2EC3SE

pith:2023:LH2EC3SESL57BRM4ZCHZTPD5DA

not attested not anchored not stored refs pending

The disk reverberation mapping of X-ray weak quasars: a case study of SDSS J153913.47+395423.4

Jianfeng Wu, Marcin Marculewicz, Mouyuan Sun, Zhixiang Zhang

arxiv:2308.11310 v1 · 2023-08-22 · 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{LH2EC3SESL57BRM4ZCHZTPD5DA}

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	2026-07-05T06:43:32.568254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f4416e4492fbf0c59cc88f99bc7d18386ff35c0f88339211e386ed006fadfb

Aliases

arxiv: 2308.11310 · arxiv_version: 2308.11310v1 · doi: 10.48550/arxiv.2308.11310 · pith_short_12: LH2EC3SESL57 · pith_short_16: LH2EC3SESL57BRM4 · pith_short_8: LH2EC3SE

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/LH2EC3SESL57BRM4ZCHZTPD5DA \
  | 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: 59f4416e4492fbf0c59cc88f99bc7d18386ff35c0f88339211e386ed006fadfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24b320c8be7ba4d3af8e765e51579d989f01a8baf7a282e7419d37f3da9ca67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-08-22T09:40:06Z",
    "title_canon_sha256": "004b269727a4f6b59dc68aab200f54cf791bcafa398a85813b9ee8e2c2fc3c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11310",
    "kind": "arxiv",
    "version": 1
  }
}