Pith Number

pith:PD7CAK4I

pith:2021:PD7CAK4ITWZ2RR6X3KVWQ26KVL

not attested not anchored not stored refs pending

SDSS-IV MaNGA: Cannibalism Caught in the Act -- on the Frequency of Occurrence of Multiple Cores in Brightest Cluster Galaxies

Alexie Leauthaud, Alfonso Arag\'on-Salamanca, Donald P. Schneider, Dylan Nelson, Eric Emsellem, Hsuan-Ting Lai, Jenny Greene, Joel R. Brownstein, Kaike Pan, Kevin Bundy, Michael Merrifield, Nobuhiro Okabe, Richard R. Lane, Song Huang, Surhud More, Vicente Rodriguez-Gomez, Yen-Ting Lin, Yun-Hsin Hsu, Yu Rong

arxiv:2112.10805 v2 · 2021-12-20 · 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{PD7CAK4ITWZ2RR6X3KVWQ26KVL}

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	2026-07-05T05:06:53.889068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78fe202b889db3a8c7d7daab686bcaaad7d9f092b0eb0d5b914e47e0a65eaf32

Aliases

arxiv: 2112.10805 · arxiv_version: 2112.10805v2 · doi: 10.48550/arxiv.2112.10805 · pith_short_12: PD7CAK4ITWZ2 · pith_short_16: PD7CAK4ITWZ2RR6X · pith_short_8: PD7CAK4I

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/PD7CAK4ITWZ2RR6X3KVWQ26KVL \
  | 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: 78fe202b889db3a8c7d7daab686bcaaad7d9f092b0eb0d5b914e47e0a65eaf32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff21cab92c99f97983a81345de890547bfa7ddb26ade75adbfe6aaa734b8ce6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-20T19:07:33Z",
    "title_canon_sha256": "76dfe722260cf762a60a522c842992d502b9afe1ad27ef4128cbfd80ab835ad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10805",
    "kind": "arxiv",
    "version": 2
  }
}