Pith Number

pith:A2TGC7OD

pith:2019:A2TGC7OD4X4U723HROEFHJI525

not attested not anchored not stored refs pending

Compact Groups of Galaxies in Sloan Digital Sky Survey and LAMOST Spectral Survey: I. The Catalogs

Shiyin Shen, Yunliang Zheng

arxiv:1911.11478 v2 · 2019-11-26 · 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{A2TGC7OD4X4U723HROEFHJI525}

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.

Cited by

1 paper in Pith

Search for spatial coincidences between galaxy mergers and Fermi-LAT 4FGL-DR4 sources

Receipt and verification

First computed	2026-07-05T02:07:13.425907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06a6617dc3e5f94feb678b8853a51dd77bed5e1df49f549d1954f6db97ae6d53

Aliases

arxiv: 1911.11478 · arxiv_version: 1911.11478v2 · doi: 10.48550/arxiv.1911.11478 · pith_short_12: A2TGC7OD4X4U · pith_short_16: A2TGC7OD4X4U723H · pith_short_8: A2TGC7OD

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/A2TGC7OD4X4U723HROEFHJI525 \
  | 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: 06a6617dc3e5f94feb678b8853a51dd77bed5e1df49f549d1954f6db97ae6d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c1acf36e7c2b54f4f94c24979a5c8d85bff8c591830699262b496308ee35f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-26T11:59:40Z",
    "title_canon_sha256": "2b8f23f603e6f254434eec8e2736015e6b5d3991405e194dcdeb8b915155decc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.11478",
    "kind": "arxiv",
    "version": 2
  }
}