Pith Number

pith:7EU4ZGUL

pith:2009:7EU4ZGUL46DFTFJPICZ2SQ7OGX

not attested not anchored not stored refs pending

Exploring the Luminosity Evolution and Stellar Mass Assembly of 2SLAQ Luminous Red Galaxies Between Redshift 0.4 and 0.8

Cambridge), Cambridge/UCL), Filipe B. Abdalla (UCL), Ignacio Ferreras (MSSL-UCL), Manda Banerji (IoA, Ofer Lahav (UCL), Paul Hewett (IoA

arxiv:0910.5372 v2 · 2009-10-28 · 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{7EU4ZGUL46DFTFJPICZ2SQ7OGX}

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	2026-05-18T02:34:12.611724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f929cc9a8be78659952f40b3a943ee35cad2c1268703480c4aa30574521e4be0

Aliases

arxiv: 0910.5372 · arxiv_version: 0910.5372v2 · doi: 10.48550/arxiv.0910.5372 · pith_short_12: 7EU4ZGUL46DF · pith_short_16: 7EU4ZGUL46DFTFJP · pith_short_8: 7EU4ZGUL

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/7EU4ZGUL46DFTFJPICZ2SQ7OGX \
  | 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: f929cc9a8be78659952f40b3a943ee35cad2c1268703480c4aa30574521e4be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335f9f6deab7f5c4d1be0713fa6c4f1165bfdf0bedef5d0e944fc145a56fd204",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-28T13:34:41Z",
    "title_canon_sha256": "04be96625ef287b4b45332b2175a6744c890344a541bec0e6994cf89e32069d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5372",
    "kind": "arxiv",
    "version": 2
  }
}