Pith Number

pith:X6MNDVDF

pith:2025:X6MNDVDF5WLJUUZI6C2ZRQASWM

not attested not anchored not stored refs pending

2D Surface Brightness Modelling of Large 2MASS Galaxies II: The Role of Classical Bulges and Pseudobulges on Galaxy Scaling Relations and its implication for Supermassive Black Hole Formation

Christopher A\~norve, Emmanuel R\'ios-L\'opez, Erick A. Rodr\'iguez-Hern\'andez, Mabel Valerdi, Omar L\'opez-Cruz, Victoria R. Dufrane

arxiv:2502.02546 v2 · 2025-02-04 · 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{X6MNDVDF5WLJUUZI6C2ZRQASWM}

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	2026-07-05T10:18:49.262575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf98d1d465ed969a5328f0b598c012b32eb6d55bba0b692a992501f0d98bb25c

Aliases

arxiv: 2502.02546 · arxiv_version: 2502.02546v2 · doi: 10.48550/arxiv.2502.02546 · pith_short_12: X6MNDVDF5WLJ · pith_short_16: X6MNDVDF5WLJUUZI · pith_short_8: X6MNDVDF

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/X6MNDVDF5WLJUUZI6C2ZRQASWM \
  | 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: bf98d1d465ed969a5328f0b598c012b32eb6d55bba0b692a992501f0d98bb25c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11b572847daf7bdab9c1bd56fd1dd0e5a11cf6e96a6857e9046608cadf85af00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-04T18:17:57Z",
    "title_canon_sha256": "20f86bfaab59a44d6153c942740ab68e5f8240d22fb5b2be33bd791e208a9985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02546",
    "kind": "arxiv",
    "version": 2
  }
}