Pith Number

pith:HT5BMXGL

pith:2007:HT5BMXGLBU5LFHAQ7BTJEO6TQ7

not attested not anchored not stored refs pending

Model Independent Reconstruction of the Expansion History of the Universe and the Properties of Dark Energy

Arman Shafieloo

arxiv:astro-ph/0703034 v3 · 2007-03-02 · astro-ph · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HT5BMXGLBU5LFHAQ7BTJEO6TQ7}

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

5 papers in Pith

EFT of Dark Energy with Cosmic Chronometers: Reconstructing Background EFT Functions

Finding Strongly Lensed Supernovae from Blended Light Curves

Geometric Constraints on the Pre-Recombination Expansion History from the Hubble Tension

Testing $\Lambda$CDM with ANN-Reconstructed Expansion History from Cosmic Chronometers

Do equation of state parametrizations of dark energy faithfully capture the dynamics of the late universe?

Receipt and verification

First computed	2026-07-04T15:39:39.268286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cfa165ccb0d3ab29c10f866923bd387e962256976a8d3550b88906481ea47b2

Aliases

arxiv: astro-ph/0703034 · arxiv_version: astro-ph/0703034v3 · doi: 10.48550/arxiv.astro-ph/0703034 · pith_short_12: HT5BMXGLBU5L · pith_short_16: HT5BMXGLBU5LFHAQ · pith_short_8: HT5BMXGL

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/HT5BMXGLBU5LFHAQ7BTJEO6TQ7 \
  | 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: 3cfa165ccb0d3ab29c10f866923bd387e962256976a8d3550b88906481ea47b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e70beb442775ad3d62ef2bd815a0bc55a97ecdaae0eb47c5380646f7816733",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-02T19:13:22Z",
    "title_canon_sha256": "0e901ab733b4ce163ba0baeb0008227fb13760cc0e6d9c9c1dfd2b5f99ed50a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703034",
    "kind": "arxiv",
    "version": 3
  }
}