pith. sign in
Pith Number

pith:LPCTVKII

pith:2014:LPCTVKIIN5XDBZMXD3UKV5W3Q7
not attested not anchored not stored refs pending

Possible Evidence for Free Precession of a Strongly Magnetized Neutron Star in the Magnetar 4U 0142+61

Hiroaki Murakami, Junko S. Hiraga, Kazuhiro Nakazawa, Kazuo Makishima, Makoto Sasano, Soki Sakurai, Teruaki Enoto, Toshio Nakano

arxiv:1404.3705 v2 · 2014-04-14 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LPCTVKIIN5XDBZMXD3UKV5W3Q7}

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 2026-05-18T01:43:34.768246Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5bc53aa9086f6e30e5971ee8aaf6db87d4304c4bb462c5242fc831e2f6a59221

Aliases

arxiv: 1404.3705 · arxiv_version: 1404.3705v2 · doi: 10.48550/arxiv.1404.3705 · pith_short_12: LPCTVKIIN5XD · pith_short_16: LPCTVKIIN5XDBZMX · pith_short_8: LPCTVKII
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LPCTVKIIN5XDBZMXD3UKV5W3Q7 \
  | 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: 5bc53aa9086f6e30e5971ee8aaf6db87d4304c4bb462c5242fc831e2f6a59221
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fd28851f6658ea96bf923f40cd459a04f2f7a742a42ca2c944891af8d553a782",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-04-14T19:25:19Z",
    "title_canon_sha256": "3f544d4dca250e347e500e76000c44defebf44fbdc81c3204653dde37ec51244"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3705",
    "kind": "arxiv",
    "version": 2
  }
}