Pith Number

pith:OXSXWHA3

pith:2005:OXSXWHA3ZINJNB5IAXXYKSWUXE

not attested not anchored not stored refs pending

Measuring the geometry of the Universe in the presence of isocurvature modes

C. Skordis, J. Dunkley, K. Moodley, M. Bucher, P. G. Ferreira

arxiv:astro-ph/0507473 v1 · 2005-07-20 · 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{OXSXWHA3ZINJNB5IAXXYKSWUXE}

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	2026-07-04T17:14:54.628113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e57b1c1bca1a9687a805ef854ad4b9328895ba5e0c8f4391d509b437bfbb3e

Aliases

arxiv: astro-ph/0507473 · arxiv_version: astro-ph/0507473v1 · doi: 10.48550/arxiv.astro-ph/0507473 · pith_short_12: OXSXWHA3ZINJ · pith_short_16: OXSXWHA3ZINJNB5I · pith_short_8: OXSXWHA3

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/OXSXWHA3ZINJNB5IAXXYKSWUXE \
  | 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: 75e57b1c1bca1a9687a805ef854ad4b9328895ba5e0c8f4391d509b437bfbb3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e324a76cec162ea43259519c275efbee44c5a5d2bffaf6634a48e2e986cbf539",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-20T11:22:29Z",
    "title_canon_sha256": "4d6429dfe96869c0fce073478fcb115415ddb2571b6d9159623b2209460563bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507473",
    "kind": "arxiv",
    "version": 1
  }
}