Pith Number

pith:6SG7DTIE

pith:2004:6SG7DTIE4IMAGPBMVB52DSZ4A6

not attested not anchored not stored refs pending

WMAP Constraints on Decaying Cold Dark Matter

Keitaro Takahashi, Kiyotomo Ichiki, Masamune Oguri

arxiv:astro-ph/0403164 v2 · 2004-03-06 · astro-ph · hep-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{6SG7DTIE4IMAGPBMVB52DSZ4A6}

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	2026-07-04T16:43:11.361136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f48df1cd04e218033c2ca87ba1cb3c07b8c2e6bee49f7fbb62f4f47f637dcb62

Aliases

arxiv: astro-ph/0403164 · arxiv_version: astro-ph/0403164v2 · doi: 10.48550/arxiv.astro-ph/0403164 · pith_short_12: 6SG7DTIE4IMA · pith_short_16: 6SG7DTIE4IMAGPBM · pith_short_8: 6SG7DTIE

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/6SG7DTIE4IMAGPBMVB52DSZ4A6 \
  | 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: f48df1cd04e218033c2ca87ba1cb3c07b8c2e6bee49f7fbb62f4f47f637dcb62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "957844535af024c4e4ed9c8b98987e58b05c5dd55039921ef80e3c897cbc0f0a",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-06T09:30:40Z",
    "title_canon_sha256": "ab78b28502fe74a614efc7e13f3e9cb6ce546748afa0fde6b23bd768ac8e7956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403164",
    "kind": "arxiv",
    "version": 2
  }
}