Pith Number

pith:PVFSJGW7

pith:2022:PVFSJGW7LO35KTACUPPEYHBLGP

not attested not anchored not stored refs pending

A Rich Satellite Population of the NGC 4437 Group and Implications of a Magnitude Gap for Galaxy Group Assembly History

In Sung Jang, Jisu Kang, Myung Gyoon Lee, Yoo Jung Kim

arxiv:2202.13039 v1 · 2022-02-26 · 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{PVFSJGW7LO35KTACUPPEYHBLGP}

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	2026-07-05T04:16:01.346812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d4b249adf5bb7d54c02a3de4c1c2b33fc5238246bde275858ab69ab15760830

Aliases

arxiv: 2202.13039 · arxiv_version: 2202.13039v1 · doi: 10.48550/arxiv.2202.13039 · pith_short_12: PVFSJGW7LO35 · pith_short_16: PVFSJGW7LO35KTAC · pith_short_8: PVFSJGW7

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/PVFSJGW7LO35KTACUPPEYHBLGP \
  | 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: 7d4b249adf5bb7d54c02a3de4c1c2b33fc5238246bde275858ab69ab15760830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab7e99edddca30203494e93c8027b8e702d9572adfe93de360bac7d24df3b166",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-26T01:57:40Z",
    "title_canon_sha256": "5f89837e1dca624c40161f377144257b667feaa59af7291f0bbc0c1ab4377730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13039",
    "kind": "arxiv",
    "version": 1
  }
}