Pith Number

pith:U7MFQV27

pith:2002:U7MFQV27QGETQMO6POOSU36P33

not attested not anchored not stored refs pending

The 2dF Galaxy Redshift Survey: the luminosity function of cluster galaxies

B. Peterson, C. Baugh, C. Collins, C. Jackson, C. S. Frenk, D. S. Madgwick, E. Hawkins, G. B. Dalton, G. Efstathiou, I. Baldry, I. Lewis, J. Bland-Hawthorn, J. Peacock, K. Glazebrook, K. Taylor, M. Colless, N. Cross, O. Lahav, P. Norberg, R. Cannon, Roberto De Propris, R. S. Ellis, S. Cole, S. Driver, S. Lumsden, S. Maddox, T. Bridges, W. Couch, W. Percival, W. Sutherland

arxiv:astro-ph/0212562 v1 · 2002-12-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7MFQV27QGETQMO6POOSU36P33}

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	2026-05-18T04:27:04.944196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d858575f81893831de7b9d2a6fcfdee1d13a9b4716be0f6fbb786fd962911a

Aliases

arxiv: astro-ph/0212562 · arxiv_version: astro-ph/0212562v1 · doi: 10.48550/arxiv.astro-ph/0212562 · pith_short_12: U7MFQV27QGET · pith_short_16: U7MFQV27QGETQMO6 · pith_short_8: U7MFQV27

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/U7MFQV27QGETQMO6POOSU36P33 \
  | 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: a7d858575f81893831de7b9d2a6fcfdee1d13a9b4716be0f6fbb786fd962911a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cb5501dad223889629b27d8e74ec3cbcb2607c02329d34016bba8d7c87857d8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-30T01:24:33Z",
    "title_canon_sha256": "119404eac98c5055d05e50cef6d19f251118fc8432537d8c0ecf2f35ab113256"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212562",
    "kind": "arxiv",
    "version": 1
  }
}