pith. sign in
Pith Number

pith:J7CDQ6LX

pith:2011:J7CDQ6LX5Q4NP3P54EU2NPKKWU
not attested not anchored not stored refs pending

Formation of millisecond pulsars with CO white dwarf companions - I. PSR J1614-2230: Evidence for a neutron star born massive

Michael Kramer, Norbert Langer, Thomas M. Tauris

arxiv:1103.4996 v2 · 2011-03-25 · astro-ph.SR · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J7CDQ6LX5Q4NP3P54EU2NPKKWU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T02:02:44.979762Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4fc4387977ec38d7edfde129a6bd4ab51f67a34180be80c9da95d453edb59caa

Aliases

arxiv: 1103.4996 · arxiv_version: 1103.4996v2 · doi: 10.48550/arxiv.1103.4996 · pith_short_12: J7CDQ6LX5Q4N · pith_short_16: J7CDQ6LX5Q4NP3P5 · pith_short_8: J7CDQ6LX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J7CDQ6LX5Q4NP3P54EU2NPKKWU \
  | 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: 4fc4387977ec38d7edfde129a6bd4ab51f67a34180be80c9da95d453edb59caa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1f16d81a47ed319d46a79bad486429601a4a91de72d6d979e0d2ae1ff0c7371d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-25T15:30:42Z",
    "title_canon_sha256": "f77ba48277c2535095eef155da7c2a408d88390a76c88c575ec808bedc75710b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4996",
    "kind": "arxiv",
    "version": 2
  }
}