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Pith Number

pith:PPSMGCTW

pith:2013:PPSMGCTWJEWD5BYY454W67RE3B
not attested not anchored not stored refs pending

Nonparametric reconstruction of dynamical dark energy via observational Hubble parameter data

Hao-Ran Yu, Shuo Yuan, Tong-Jie Zhang

arxiv:1310.0870 v2 · 2013-10-03 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PPSMGCTWJEWD5BYY454W67RE3B}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T03:06:05.493460Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7be4c30a76492c3e8718e7796f7e24d86a7acc957f5d12d911696d481c1ab71e

Aliases

arxiv: 1310.0870 · arxiv_version: 1310.0870v2 · doi: 10.48550/arxiv.1310.0870 · pith_short_12: PPSMGCTWJEWD · pith_short_16: PPSMGCTWJEWD5BYY · pith_short_8: PPSMGCTW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PPSMGCTWJEWD5BYY454W67RE3B \
  | 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: 7be4c30a76492c3e8718e7796f7e24d86a7acc957f5d12d911696d481c1ab71e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1ab0a8a97a8e0eea5d2a81e60aba2505cef5b66b7a8faf9116fd1e17c6cd08ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-03T00:31:50Z",
    "title_canon_sha256": "00570d989a0c087347839d9166da715c6548d5dd26ceba98d3a682856a3e0fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0870",
    "kind": "arxiv",
    "version": 2
  }
}