Pith Number

pith:PWMBD24O

pith:2001:PWMBD24OWLZ7CZ7AXI7GV3HDEN

not attested not anchored not stored refs pending

The 2dF Galaxy Redshift Survey: Galaxy luminosity functions per spectral type

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

arxiv:astro-ph/0107197 v2 · 2001-07-11 · 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{PWMBD24OWLZ7CZ7AXI7GV3HDEN}

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	2026-05-18T04:27:05.428041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9811eb8eb2f3f167e0ba3e6aece32359f8a00aa9742b71dd359bb505b7ed51

Aliases

arxiv: astro-ph/0107197 · arxiv_version: astro-ph/0107197v2 · doi: 10.48550/arxiv.astro-ph/0107197 · pith_short_12: PWMBD24OWLZ7 · pith_short_16: PWMBD24OWLZ7CZ7A · pith_short_8: PWMBD24O

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/PWMBD24OWLZ7CZ7AXI7GV3HDEN \
  | 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: 7d9811eb8eb2f3f167e0ba3e6aece32359f8a00aa9742b71dd359bb505b7ed51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b34c863a8068a2de800fb058b83f3d9bcefee80ab2dcf880f4eeefa16973d2d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-11T14:49:58Z",
    "title_canon_sha256": "59e8adbb302c84423235ff718033863e1537515e93703f3addede3aa2b31f967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107197",
    "kind": "arxiv",
    "version": 2
  }
}