Pith Number

pith:4ATSKFVF

pith:2009:4ATSKFVF6BGP2FGG6Y4UZBLCYO

not attested not anchored not stored refs pending

Galaxy Counts on the CMB Cold Spot

Benjamin R. Granett (IfA Hawaii), Istv\'an Szapudi (IfA), Mark C. Neyrinck (JHU)

arxiv:0911.2223 v2 · 2009-11-11 · 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{4ATSKFVF6BGP2FGG6Y4UZBLCYO}

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	2026-05-18T02:34:11.174962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0272516a5f04cfd14c6f6394c8562c395263b4ed5aec9f611f0ac9ca784a5f5

Aliases

arxiv: 0911.2223 · arxiv_version: 0911.2223v2 · doi: 10.48550/arxiv.0911.2223 · pith_short_12: 4ATSKFVF6BGP · pith_short_16: 4ATSKFVF6BGP2FGG · pith_short_8: 4ATSKFVF

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/4ATSKFVF6BGP2FGG6Y4UZBLCYO \
  | 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: e0272516a5f04cfd14c6f6394c8562c395263b4ed5aec9f611f0ac9ca784a5f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28cbe2b8791d2e6199c074e7f8e51a12e36aa9ac5c0106127885a3c45533c1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-11T21:00:09Z",
    "title_canon_sha256": "4d330355b8d2e7ec1efc2740979082f09626c0daf38a6afd3f0f978eff15f35e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2223",
    "kind": "arxiv",
    "version": 2
  }
}