Pith Number

pith:F7X3T23Q

pith:2009:F7X3T23QSYXA6M3PGPZBOTMHVF

not attested not anchored not stored refs pending

Polarization of the WMAP Point Sources

D. Herranz, F. Argueso, G. de Zotti, J. Gonzalez-Nuevo, J.L. Sanz, L. Lanz, M. Lopez-Caniego, M. Massardi

arxiv:0909.4311 v1 · 2009-09-24 · 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{F7X3T23QSYXA6M3PGPZBOTMHVF}

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	2026-05-18T02:34:27.878158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fefb9eb70962e0f336f33f2174d87a941302a53a98bac30e0adcd545c5a0c70

Aliases

arxiv: 0909.4311 · arxiv_version: 0909.4311v1 · doi: 10.48550/arxiv.0909.4311 · pith_short_12: F7X3T23QSYXA · pith_short_16: F7X3T23QSYXA6M3P · pith_short_8: F7X3T23Q

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/F7X3T23QSYXA6M3PGPZBOTMHVF \
  | 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: 2fefb9eb70962e0f336f33f2174d87a941302a53a98bac30e0adcd545c5a0c70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b9c9df0cfc591df2a8828fd2983f5441a0c48fdc1c4f7448e725c6f652e7177",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-24T14:05:28Z",
    "title_canon_sha256": "1921fa8957fc9cb8712a1884c5f8d8d3e621f130c81905c57f434e13549318fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4311",
    "kind": "arxiv",
    "version": 1
  }
}