Pith Number

pith:FQ65IAOQ

pith:2013:FQ65IAOQHDXW4ZDJDMCQZPZF7I

not attested not anchored not stored refs pending

Single Colour Diagnostics of the Mass-to-light Ratio: Predictions from Galaxy Formation Models

Carlton M. Baugh, Cedric G. Lacey, Joe Zuntz, Stephen M. Wilkins, Violeta Gonzalez-Perez

arxiv:1304.4421 v1 · 2013-04-16 · 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{FQ65IAOQHDXW4ZDJDMCQZPZF7I}

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	2026-05-18T01:50:32.276286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3dd401d038ef6e64691b050cbf25fa22415cc2a41bea459c93c8a3112cb33f

Aliases

arxiv: 1304.4421 · arxiv_version: 1304.4421v1 · doi: 10.48550/arxiv.1304.4421 · pith_short_12: FQ65IAOQHDXW · pith_short_16: FQ65IAOQHDXW4ZDJ · pith_short_8: FQ65IAOQ

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/FQ65IAOQHDXW4ZDJDMCQZPZF7I \
  | 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: 2c3dd401d038ef6e64691b050cbf25fa22415cc2a41bea459c93c8a3112cb33f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f1289df526de6169ecfdd376660118789110c02f015f53bc68f0db66596af8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-16T12:49:28Z",
    "title_canon_sha256": "c32c9bc20ca2f337cdf90bbdad57b8c3b0878ddba1bbc902e1a8fb2bb4e6bcca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4421",
    "kind": "arxiv",
    "version": 1
  }
}