Pith Number

pith:K6ZRUUN2

pith:2001:K6ZRUUN2KYPQ7RISRYTFCY2GZZ

not attested not anchored not stored refs pending

The 2dF Galaxy Redshift Survey: The b_J-band galaxy luminosity function and survey selection function

B. Peterson, C. Baugh, C. Collins, C. Frenk, C. Jackson, D. Madgwick, G. Dalton, G. Efstathiou, I. Baldry, I. Lewis, J. Bland-Hawthorn, J. Peacock, K. Glazebrook, K. Taylor (the 2dFGRS Team), M. Colless, N. Cross, O. Lahav, P. Norberg, R. Cannon, R. De Propris, R. Ellis, S. Cole, S. Driver, S. Lumsden, S. Maddox, T. Bridges, W. Couch, W. Sutherland

arxiv:astro-ph/0111011 v2 · 2001-11-01 · 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{K6ZRUUN2KYPQ7RISRYTFCY2GZZ}

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	2026-05-18T04:27:05.314432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b31a51ba561f0fc5128e26516346ce6ebbe70e9623c4db280f20c14514ac9c

Aliases

arxiv: astro-ph/0111011 · arxiv_version: astro-ph/0111011v2 · doi: 10.48550/arxiv.astro-ph/0111011 · pith_short_12: K6ZRUUN2KYPQ · pith_short_16: K6ZRUUN2KYPQ7RIS · pith_short_8: K6ZRUUN2

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/K6ZRUUN2KYPQ7RISRYTFCY2GZZ \
  | 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: 57b31a51ba561f0fc5128e26516346ce6ebbe70e9623c4db280f20c14514ac9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffd71b6a75016e32452e61b72424e6924d79d9b7e7204544e0c00706b6924d32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-01T09:19:54Z",
    "title_canon_sha256": "a1550ad612dbbf96e1c80572e1219cad563ac879daf805bb8ebb4fefd00fb3e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111011",
    "kind": "arxiv",
    "version": 2
  }
}