Pith Number

pith:BUZVDQY2

pith:2009:BUZVDQY23R3EKGNVBUSGXRI2K2

not attested not anchored not stored refs pending

Rejuvenating the matter power spectrum: restoring information with a logarithmic density mapping

Alexander S. Szalay (JHU), E\"otv\"os U.), Istv\'an Szapudi (IfA Hawaii, Mark C. Neyrinck (JHU)

arxiv:0903.4693 v2 · 2009-03-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUZVDQY23R3EKGNVBUSGXRI2K2}

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	2026-05-18T04:29:15.565818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3351c31adc764519b50d246bc51a568a1af193367d538199f05a37385dce9a

Aliases

arxiv: 0903.4693 · arxiv_version: 0903.4693v2 · doi: 10.48550/arxiv.0903.4693 · pith_short_12: BUZVDQY23R3E · pith_short_16: BUZVDQY23R3EKGNV · pith_short_8: BUZVDQY2

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/BUZVDQY23R3EKGNVBUSGXRI2K2 \
  | 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: 0d3351c31adc764519b50d246bc51a568a1af193367d538199f05a37385dce9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36a23a925ae061d774df88c94a13075523fb643cf0e09b46f19f22bfcfc84100",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-27T19:26:09Z",
    "title_canon_sha256": "140b103b1f5b4e62494199732f236eddec0db418b6a0a147b87672c784dca027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4693",
    "kind": "arxiv",
    "version": 2
  }
}