Pith Number

pith:W6G3JUG5

pith:2003:W6G3JUG5WXINH5TAXMHVB7DVIV

not attested not anchored not stored refs pending

The 2dF Galaxy Redshift Survey: galaxy clustering per spectral type

B. A. Peterson, C. Collins, C. Jackson, C. M. Baugh, C. S. Frenk, D. S. Madgwick, E. Hawkins, G. Dalton, G. Efstathiou, I. K. Baldry, I. Lewis, J. Bland-Hawthorn, J. Peacock, K. Glazebrook, K. Taylor (the 2dFGRS Team), 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/0303668 v1 · 2003-03-31 · 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{W6G3JUG5WXINH5TAXMHVB7DVIV}

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	2026-05-18T04:27:04.853898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78db4d0ddb5d0d3f660bb0f50fc75454570227777c095794cc535f3892bae45

Aliases

arxiv: astro-ph/0303668 · arxiv_version: astro-ph/0303668v1 · doi: 10.48550/arxiv.astro-ph/0303668 · pith_short_12: W6G3JUG5WXIN · pith_short_16: W6G3JUG5WXINH5TA · pith_short_8: W6G3JUG5

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/W6G3JUG5WXINH5TAXMHVB7DVIV \
  | 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: b78db4d0ddb5d0d3f660bb0f50fc75454570227777c095794cc535f3892bae45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c420c206774fa8d4b835a7106e3cff4eb0230aa6bf6a5935f639f82cf2654909",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-31T17:31:18Z",
    "title_canon_sha256": "f7a78827d3d3c2343b720818ecc9a55974f2fec69be31f274e8084d0115ff8df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303668",
    "kind": "arxiv",
    "version": 1
  }
}