Pith Number

pith:FRY47NIV

pith:2005:FRY47NIV3PUVG25DHROV2YG5YC

not attested not anchored not stored refs pending

Dark-Energy Evolution Across the Cosmological-Constant Boundary

Michael Doran, Robert R. Caldwell

arxiv:astro-ph/0501104 v1 · 2005-01-06 · astro-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{FRY47NIV3PUVG25DHROV2YG5YC}

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

Reconstructing dark energy with fewer assumptions

Effective Phantom Dark Energy: What Cosmological Reconstruction Does and Does Not Imply

Quintom Model Perturbations

Extended Dark Energy analysis using DESI DR2 BAO measurements

Late-time reconstruction of non-minimally coupled gravity with a smoothness prior

Receipt and verification

First computed	2026-07-04T17:25:14.749415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c71cfb515dbe9536ba33c5d5d60ddc0aa376c89db8b0a050d27500bd75635c5

Aliases

arxiv: astro-ph/0501104 · arxiv_version: astro-ph/0501104v1 · doi: 10.48550/arxiv.astro-ph/0501104 · pith_short_12: FRY47NIV3PUV · pith_short_16: FRY47NIV3PUVG25D · pith_short_8: FRY47NIV

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/FRY47NIV3PUVG25DHROV2YG5YC \
  | 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: 2c71cfb515dbe9536ba33c5d5d60ddc0aa376c89db8b0a050d27500bd75635c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609de371992c0b1d839b8de79d6a90bc31952a77778bf3ccc81312ea0dbedd97",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-06T20:59:38Z",
    "title_canon_sha256": "8e93d241cc3ead2600aa6d630fa86c82daa1a7c1bab63e6bb3b536619c466058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501104",
    "kind": "arxiv",
    "version": 1
  }
}