Pith Number

pith:WW2TEUQY

pith:2009:WW2TEUQY4EUZJOJV6S7QWVPL4X

not attested not anchored not stored refs pending

Polarization Evolution in A Strongly Magnetized Vacuum: QED Effect and Polarized X-ray Emission from Magnetized Neutron Stars

Chen Wang, Dong Lai

arxiv:0903.2094 v2 · 2009-03-12 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WW2TEUQY4EUZJOJV6S7QWVPL4X}

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	2026-05-18T02:14:35.649239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b5325218e12994b935f4bf0b55ebe5d49322526def208ad93c3ba3ea576051

Aliases

arxiv: 0903.2094 · arxiv_version: 0903.2094v2 · doi: 10.48550/arxiv.0903.2094 · pith_short_12: WW2TEUQY4EUZ · pith_short_16: WW2TEUQY4EUZJOJV · pith_short_8: WW2TEUQY

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/WW2TEUQY4EUZJOJV6S7QWVPL4X \
  | 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: b5b5325218e12994b935f4bf0b55ebe5d49322526def208ad93c3ba3ea576051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9995288086e895e5a58a7a597de2ab791a7e3e48e7efdc6556e507bcff85603f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-12T03:56:15Z",
    "title_canon_sha256": "8a9d8e2192e1d1d7bd0cec91dc5aaeb18affa7abb1dddafc403372c2d52d1175"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2094",
    "kind": "arxiv",
    "version": 2
  }
}