Pith Number

pith:CPDWCW5O

pith:2018:CPDWCW5OWK2NT6LVWUXFAFZRHQ

not attested not anchored not stored refs pending

A Study of the Merger History of the Galaxy Group HCG 62 Based on X-Ray Observations and SPH Simulations

Chengze Liu, Chenxi Shan, Dan Hu, Haiguang Xu, Liyi Gu, Qian Zheng, Weitian Li, Xiang-Ping Wu, Xi Kang, Zhenghao Zhu, Zhixian Ma, Zhongli Zhang

arxiv:1811.05782 v1 · 2018-11-14 · 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{CPDWCW5OWK2NT6LVWUXFAFZRHQ}

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	2026-05-17T23:56:17.016974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13c7615baeb2b4d9f975b52e5017313c16042783ff32ba862a687ec23ca8eea4

Aliases

arxiv: 1811.05782 · arxiv_version: 1811.05782v1 · doi: 10.48550/arxiv.1811.05782 · pith_short_12: CPDWCW5OWK2N · pith_short_16: CPDWCW5OWK2NT6LV · pith_short_8: CPDWCW5O

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/CPDWCW5OWK2NT6LVWUXFAFZRHQ \
  | 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: 13c7615baeb2b4d9f975b52e5017313c16042783ff32ba862a687ec23ca8eea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "322619f159bba76382af81ef331ec9ab27bc8a5598b4f861c0eb3a0b3b958558",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-14T13:56:02Z",
    "title_canon_sha256": "37911b1c476f373c1b966f72c596add77b3e48cacf7ead66adc9e6aabfe37e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05782",
    "kind": "arxiv",
    "version": 1
  }
}