pith. sign in
Pith Number

pith:YVVAWXFW

pith:2016:YVVAWXFWUMLSSH67NJXJIP6QLI
not attested not anchored not stored refs pending

Neutron Star Mass-Radius Constraints using Evolutionary Optimization

A. L. Stevens, D. A. Leahy, J. D. Fiege, S. M. Morsink

arxiv:1606.09232 v2 · 2016-06-29 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YVVAWXFWUMLSSH67NJXJIP6QLI}

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 2026-05-18T00:53:59.863450Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c56a0b5cb6a317291fdf6a6e943fd05a2f25ce0462894f2e4ce3ea672843cdfc

Aliases

arxiv: 1606.09232 · arxiv_version: 1606.09232v2 · doi: 10.48550/arxiv.1606.09232 · pith_short_12: YVVAWXFWUMLS · pith_short_16: YVVAWXFWUMLSSH67 · pith_short_8: YVVAWXFW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YVVAWXFWUMLSSH67NJXJIP6QLI \
  | 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: c56a0b5cb6a317291fdf6a6e943fd05a2f25ce0462894f2e4ce3ea672843cdfc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bf32a12e81bfd712d37c3115ed0aa07783ed0e05604970b45214d4b1d9bfde09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-06-29T19:42:50Z",
    "title_canon_sha256": "4eb3c4dfe010785de1565bcd247ba70a81472fd0f66e72b329e1e48f2b4ae334"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09232",
    "kind": "arxiv",
    "version": 2
  }
}