Pith Number

pith:JGCG2OGN

pith:2004:JGCG2OGNKMAJVGJH32VYWGRI3C

not attested not anchored not stored refs pending

Power Spectrum Analysis of the 2dF QSO Sample Revisited

Kazuhiro Yamamoto

arxiv:astro-ph/0401039 v1 · 2004-01-06 · 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{JGCG2OGNKMAJVGJH32VYWGRI3C}

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	2026-07-04T16:42:45.771656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49846d38cd53009a9927deab8b1a28d8b289b8c55fe9d0b96a0d07e2dd2aea9c

Aliases

arxiv: astro-ph/0401039 · arxiv_version: astro-ph/0401039v1 · doi: 10.48550/arxiv.astro-ph/0401039 · pith_short_12: JGCG2OGNKMAJ · pith_short_16: JGCG2OGNKMAJVGJH · pith_short_8: JGCG2OGN

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/JGCG2OGNKMAJVGJH32VYWGRI3C \
  | 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: 49846d38cd53009a9927deab8b1a28d8b289b8c55fe9d0b96a0d07e2dd2aea9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec5c0239a5a11680cbfc2e42892ef2f4d151882657912240978c684ed7066dff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-06T02:00:11Z",
    "title_canon_sha256": "a6990d657711ef241c23ecef957958ad8d0d597fe97ec94e56d9b6cba82a0c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401039",
    "kind": "arxiv",
    "version": 1
  }
}