Pith Number

pith:7PNNK3TK

pith:2006:7PNNK3TKGX2KSQD74EGLUZ2JUA

not attested not anchored not stored refs pending

Quantum noise and large-scale cosmic microwave background anisotropy

Chun-Hsien Wu, Da-Shin Lee, Kin-Wang Ng, Wolung Lee, Yeo-Yie Charng

arxiv:astro-ph/0604292 v3 · 2006-04-13 · astro-ph · gr-qc · 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{7PNNK3TKGX2KSQD74EGLUZ2JUA}

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	2026-05-18T04:38:37.463322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbdad56e6a35f4a9407fe10cba6749a00ad2736bd7de2d5e29b44c412a370fe9

Aliases

arxiv: astro-ph/0604292 · arxiv_version: astro-ph/0604292v3 · doi: 10.48550/arxiv.astro-ph/0604292 · pith_short_12: 7PNNK3TKGX2K · pith_short_16: 7PNNK3TKGX2KSQD7 · pith_short_8: 7PNNK3TK

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/7PNNK3TKGX2KSQD74EGLUZ2JUA \
  | 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: fbdad56e6a35f4a9407fe10cba6749a00ad2736bd7de2d5e29b44c412a370fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9179557432797f51866072f97705064dfc438c6eb3703620c874591f8841759c",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-13T07:23:51Z",
    "title_canon_sha256": "bbd5b7d37bc12e5b770a6a0b7701cedc4e8ae5e37cf3eab175eba861a37f9ccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604292",
    "kind": "arxiv",
    "version": 3
  }
}