Pith Number

pith:APHDBU4Q

pith:2003:APHDBU4Q5RKYKSSZTSPBFCRZ2K

not attested not anchored not stored refs pending

Polarization of the Atmosphere as a Foreground for Cosmic Microwave Background Polarization Experiments

Cambridge, Massachusetts), Minneapolis (2) Massachusetts Institute of Technology, Philip Rosenkranz (1) ((1) University of Minnesota, Shaul Hanany (1), Twin Cities

arxiv:astro-ph/0307052 v1 · 2003-07-02 · 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{APHDBU4Q5RKYKSSZTSPBFCRZ2K}

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	2026-05-18T01:40:38.574991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03ce30d390ec55854a599c9e128a39d28e30e826aa4c98df1c47fb8e57aa7116

Aliases

arxiv: astro-ph/0307052 · arxiv_version: astro-ph/0307052v1 · doi: 10.48550/arxiv.astro-ph/0307052 · pith_short_12: APHDBU4Q5RKY · pith_short_16: APHDBU4Q5RKYKSSZ · pith_short_8: APHDBU4Q

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/APHDBU4Q5RKYKSSZTSPBFCRZ2K \
  | 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: 03ce30d390ec55854a599c9e128a39d28e30e826aa4c98df1c47fb8e57aa7116

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcce2c89cf051d083f844bff3dfd8acbf820be757aae959a135cc7df479696c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-02T17:45:05Z",
    "title_canon_sha256": "0257659e79e7a3a30711d829051c08b04ae2e381e653f78afd87960f6010493b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307052",
    "kind": "arxiv",
    "version": 1
  }
}