Pith Number

pith:NUEEIVMN

pith:2004:NUEEIVMNDCMBECZQON7W65HJUW

not attested not anchored not stored refs pending

The 2dF Galaxy Redshift Survey: Hierarchical galaxy clustering

B. A. Peterson, C. Collins, C. Jackson, C. M. Baugh, C. S. Frenk, D. J. Croton, D. Madgwick, E. Gaztanaga, G. Dalton, G. Efstathiou, I. K. Baldry, I. Lewis, J. A. Peacock, J. Bland-Hawthorn, 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/0401405 v2 · 2004-01-20 · 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{NUEEIVMNDCMBECZQON7W65HJUW}

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	2026-05-18T04:27:04.689132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d0844558d1898120b30737f6f74e9a5b79877d81f6df58e21b2c90d401d8246

Aliases

arxiv: astro-ph/0401405 · arxiv_version: astro-ph/0401405v2 · doi: 10.48550/arxiv.astro-ph/0401405 · pith_short_12: NUEEIVMNDCMB · pith_short_16: NUEEIVMNDCMBECZQ · pith_short_8: NUEEIVMN

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/NUEEIVMNDCMBECZQON7W65HJUW \
  | 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: 6d0844558d1898120b30737f6f74e9a5b79877d81f6df58e21b2c90d401d8246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0125c75a4c9234e6c7471df9b4f6d1fa727def368e58133adbce2de57cd454e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-20T21:01:58Z",
    "title_canon_sha256": "6c0c0c16a3b1bf6b661532383f7243768d290efb5d8a272463bee0dc464ace6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401405",
    "kind": "arxiv",
    "version": 2
  }
}