pith. sign in
Pith Number

pith:MGBFHQHO

pith:2011:MGBFHQHORENEAEUIQNMUYSIUG2
not attested not anchored not stored refs pending

Reconstructing the equation of state and density parameter for dark energy from combined analysis of recent SNe Ia, OHD and BAO data

Abhijit Bandyopadhyay, Debabrata Adak, Debasish Majumdar

arxiv:1102.4726 v2 · 2011-02-23 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MGBFHQHORENEAEUIQNMUYSIUG2}

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 2026-05-18T04:26:55.439530Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

618253c0ee891a40128883594c491436b88cd8f5bc039e9989d52d2ddff82909

Aliases

arxiv: 1102.4726 · arxiv_version: 1102.4726v2 · doi: 10.48550/arxiv.1102.4726 · pith_short_12: MGBFHQHORENE · pith_short_16: MGBFHQHORENEAEUI · pith_short_8: MGBFHQHO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MGBFHQHORENEAEUIQNMUYSIUG2 \
  | 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: 618253c0ee891a40128883594c491436b88cd8f5bc039e9989d52d2ddff82909
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3ad2dffdb51869534d822444ae85dd221c7442aa42a4d4e4521fcbc235eea040",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-23T12:53:56Z",
    "title_canon_sha256": "8d516e3a3456b70ea3db73c2b5190455b82f05446f884df46f125e5ae42a9cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4726",
    "kind": "arxiv",
    "version": 2
  }
}