Pith Number

pith:H5YFOXP6

pith:2011:H5YFOXP6C6UDIOIV4PG4MBP5XC

not attested not anchored not stored refs pending

Stellar mass-to-light ratio gradients in galaxies: correlations with mass

A.J. Romanowsky, C. Tortora, M. Capaccioli, N.R. Napolitano, Ph. Jetzer, V.F. Cardone

arxiv:1107.2918 v1 · 2011-07-14 · 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{H5YFOXP6C6UDIOIV4PG4MBP5XC}

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	2026-05-18T02:01:16.781396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f70575dfe17a8343915e3cdc605fdb880d00d74419774345661ddfa28553264

Aliases

arxiv: 1107.2918 · arxiv_version: 1107.2918v1 · doi: 10.48550/arxiv.1107.2918 · pith_short_12: H5YFOXP6C6UD · pith_short_16: H5YFOXP6C6UDIOIV · pith_short_8: H5YFOXP6

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/H5YFOXP6C6UDIOIV4PG4MBP5XC \
  | 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: 3f70575dfe17a8343915e3cdc605fdb880d00d74419774345661ddfa28553264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bf4dbdb9ce3d90096f43c3e3f131726587f14ff44f7c6c665ff435a45e1b2c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-14T20:00:01Z",
    "title_canon_sha256": "40658fc436f761eddb4715d82252aec706c0089bb2194be118d90c2b207d5f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2918",
    "kind": "arxiv",
    "version": 1
  }
}