Pith Number

pith:OTVVHOWM

pith:2012:OTVVHOWM2PY2I2K7XSKUICMIMV

not attested not anchored not stored refs pending

Reconstruction of dark energy and expansion dynamics using Gaussian processes

Chris Clarkson, Marina Seikel, Mathew Smith

arxiv:1204.2832 v2 · 2012-04-12 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTVVHOWM2PY2I2K7XSKUICMIMV}

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.

Cited by

13 papers in Pith

Redshift Evolution of the HII Galaxy $L$-$\sigma$ Relation: Gaussian Process Analysis and Cosmological Implications

Model-independent calibration of Gamma-Ray Bursts with neural networks

Comparative Analysis of EMCEE, Gaussian Process, and Masked Autoregressive Flow in Constraining the Hubble Constant Using Cosmic Chronometers Dataset

Negative neutrino mass or negative dark energy?

The Quintom theory of dark energy after DESI DR2

Receipt and verification

First computed	2026-05-18T01:57:52.947606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74eb53baccd3f1a4695fbc954409886559c2fe8c71ed946ac2ce427b249f6917

Aliases

arxiv: 1204.2832 · arxiv_version: 1204.2832v2 · doi: 10.48550/arxiv.1204.2832 · pith_short_12: OTVVHOWM2PY2 · pith_short_16: OTVVHOWM2PY2I2K7 · pith_short_8: OTVVHOWM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OTVVHOWM2PY2I2K7XSKUICMIMV \
  | 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: 74eb53baccd3f1a4695fbc954409886559c2fe8c71ed946ac2ce427b249f6917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ffa6fb66c6a6221e0d79a1fa4f25df4790a70f2038caa98405a5309f7fbff6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-12T20:00:11Z",
    "title_canon_sha256": "de0b944526b664881c731db1933287e58a1d3007ca116d1eb159cd569386370f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2832",
    "kind": "arxiv",
    "version": 2
  }
}