Pith Number

pith:4QJYYVLH

pith:2019:4QJYYVLH3LQE7WEBJNLX6Y4ZB2

not attested not anchored not stored refs pending

Chandra Detection of Intra-cluster X-ray Sources in Fornax

Meicun Hou, Xiangyu Jin, Zhenlin Zhu, Zhiyuan Li

arxiv:1902.03733 v1 · 2019-02-11 · 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{4QJYYVLH3LQE7WEBJNLX6Y4ZB2}

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	2026-05-17T23:46:52.898526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4138c5567dae04fd8814b577f63990e8eedb2620bd088c49b570791e42c2384

Aliases

arxiv: 1902.03733 · arxiv_version: 1902.03733v1 · doi: 10.48550/arxiv.1902.03733 · pith_short_12: 4QJYYVLH3LQE · pith_short_16: 4QJYYVLH3LQE7WEB · pith_short_8: 4QJYYVLH

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/4QJYYVLH3LQE7WEBJNLX6Y4ZB2 \
  | 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: e4138c5567dae04fd8814b577f63990e8eedb2620bd088c49b570791e42c2384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbea97b3342605fe0bd56705444dc6b3bc3600e100e29b8e5c0a5d66c6e46cf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-11T05:10:36Z",
    "title_canon_sha256": "6487eedb0b35ae869ca6eaa6dfdc598a1a6cb9e8424cf31f202c938200d8d675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03733",
    "kind": "arxiv",
    "version": 1
  }
}