Pith Number

pith:W3BDGXVQ

pith:2017:W3BDGXVQ2RZBBX4ZI54HZ3C5XU

not attested not anchored not stored refs pending

The close pair fraction of BCGs since $z=0.5$: major mergers dominate recent BCG stellar mass growth

Dani\`el N. Groenewald, David G. Gilbank, Rosalind E. Skelton, S. Ilani Loubser

arxiv:1701.09012 v1 · 2017-01-31 · 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{W3BDGXVQ2RZBBX4ZI54HZ3C5XU}

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	2026-05-18T00:46:12.905224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6c2335eb0d47210df9947787cec5dbd2ed81e3d8373ac791287c2fb8247a8a7

Aliases

arxiv: 1701.09012 · arxiv_version: 1701.09012v1 · doi: 10.48550/arxiv.1701.09012 · pith_short_12: W3BDGXVQ2RZB · pith_short_16: W3BDGXVQ2RZBBX4Z · pith_short_8: W3BDGXVQ

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/W3BDGXVQ2RZBBX4ZI54HZ3C5XU \
  | 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: b6c2335eb0d47210df9947787cec5dbd2ed81e3d8373ac791287c2fb8247a8a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11475b86cd1c3fd9999c1f3f91cfa3861139e4d526f5b48a6290b39fdc8df270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-31T12:34:37Z",
    "title_canon_sha256": "bdf99c2a27516adf3163081c0a3f2501652b25629d5f20f960bed0552c38afa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.09012",
    "kind": "arxiv",
    "version": 1
  }
}