Pith Number

pith:NZYQ7O2V

pith:2015:NZYQ7O2VXQAUEHPS4FXKBME3ZT

not attested not anchored not stored refs pending

Avoiding progenitor bias: The structural and mass evolution of Brightest Group and Cluster Galaxies in Hierarchical models since z~1

(2) JPL, (3) Univ. of Cape Town, (4) Univ. of Victoria, (5) GEPI, (6) UPENN, Alessandro Rettura (2), Anand Raichoor (5) ((1) Univ. of Southampton, Bego\~na Ascaso (5), Francesco Shankar (1), Jorge Moreno (4), Lauriane Delaye (5), Marc Huertas-Company (5), Mariangela Bernardi (6), Obs. de Paris, Pennsylvania), Ravi Sheth (6), Rossella Licitra (5), Simona Mei (5), Stewart Buchan (1), Vincent Bouillot (3)

arxiv:1501.02800 v3 · 2015-01-12 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZYQ7O2VXQAUEHPS4FXKBME3ZT}

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	2026-05-18T01:09:51.041757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e710fbb55bc01421df2e16ea0b09bccecc1bc82a4e6885b2af1b84f7cffc978

Aliases

arxiv: 1501.02800 · arxiv_version: 1501.02800v3 · doi: 10.48550/arxiv.1501.02800 · pith_short_12: NZYQ7O2VXQAU · pith_short_16: NZYQ7O2VXQAUEHPS · pith_short_8: NZYQ7O2V

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/NZYQ7O2VXQAUEHPS4FXKBME3ZT \
  | 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: 6e710fbb55bc01421df2e16ea0b09bccecc1bc82a4e6885b2af1b84f7cffc978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91d83d287a7650d42736247fbd73ad762a5b52afb92f634149cb99217ec18d7f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-12T21:00:11Z",
    "title_canon_sha256": "db6143fe4387aa68941ddaa09da73c5c2996e8545aef2ec0a32e625d6b7477bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02800",
    "kind": "arxiv",
    "version": 3
  }
}