Pith Number

pith:W4NFZHHP

pith:2005:W4NFZHHP3LBBRAE5BYXHIZ7MSM

not attested not anchored not stored refs pending

Limits on the Polarization of the Cosmic Microwave Background Radiation at Multipoles up to l~2000

A. C. S. Readhead, G. B. Taylor, J. K. Cartwright, J. L. Sievers, M. C. Shepherd, T. J. Pearson

arxiv:astro-ph/0502174 v1 · 2005-02-08 · 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{W4NFZHHP3LBBRAE5BYXHIZ7MSM}

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	2026-07-04T16:50:47.725008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71a5c9cefdac218809d0e2e7467ec93188718069aee8be9b76bd8d847811916

Aliases

arxiv: astro-ph/0502174 · arxiv_version: astro-ph/0502174v1 · doi: 10.48550/arxiv.astro-ph/0502174 · pith_short_12: W4NFZHHP3LBB · pith_short_16: W4NFZHHP3LBBRAE5 · pith_short_8: W4NFZHHP

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/W4NFZHHP3LBBRAE5BYXHIZ7MSM \
  | 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: b71a5c9cefdac218809d0e2e7467ec93188718069aee8be9b76bd8d847811916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c050f81f1a48a53114b073987faee2914b50024c3a9fc7dc808cc1887271c802",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-08T23:38:21Z",
    "title_canon_sha256": "5b3de9803fe00dc824df690a672d599087dc43542d1f8de623213cc5271364e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502174",
    "kind": "arxiv",
    "version": 1
  }
}