Pith Number

pith:67EWY4FI

pith:2007:67EWY4FINH2LCX7IXI5T7WWZPC

not attested not anchored not stored refs pending

Understanding the WMAP Cold Spot mystery

(2) School of Physics, (3) Special Astrophysical Observatory, (4) Imperial College, 5), (5) AstroSpace Center of Lebedev Physical Institute, Astronomy, Cardiff University, Copenhagen, Denmark, Dmitry Novikov (4, Jaiseung Kim (1) ((1) Niels Bohr Institute, London, Moscow, Nizhnij Arkhyz, Oleg Verkhodanov (3), Pavel D. Naselsky (1), Per Rex Christensen (1), Peter Coles (2), Russia, Russia), United Kingdom, Wales

arxiv:0712.1118 v2 · 2007-12-07 · astro-ph · 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{67EWY4FINH2LCX7IXI5T7WWZPC}

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	2026-05-18T04:30:14.833768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c96c70a869f4b15fe8ba3b3fdad978ac0be34d004e440a1cfce0b06cb175a3

Aliases

arxiv: 0712.1118 · arxiv_version: 0712.1118v2 · doi: 10.48550/arxiv.0712.1118 · pith_short_12: 67EWY4FINH2L · pith_short_16: 67EWY4FINH2LCX7I · pith_short_8: 67EWY4FI

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/67EWY4FINH2LCX7IXI5T7WWZPC \
  | 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: f7c96c70a869f4b15fe8ba3b3fdad978ac0be34d004e440a1cfce0b06cb175a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049ca870ad11fcff4db795835478c13c1062bebc8eb6db87ff5d972c61608f3c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-07T11:41:24Z",
    "title_canon_sha256": "abb23b127fab0a98f41e3bf5a23d7b6b1041377f52bd07e1481d39b8f910714e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1118",
    "kind": "arxiv",
    "version": 2
  }
}