Pith Number

pith:OBF5W7NL

pith:2003:OBF5W7NL62HFKCUPJWWP5CCDNS

not attested not anchored not stored refs pending

Can the dark energy equation-of-state parameter w be less than -1?

Mark Hoffman, Mark Trodden, Sean M. Carroll

arxiv:astro-ph/0301273 v2 · 2003-01-14 · astro-ph · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBF5W7NL62HFKCUPJWWP5CCDNS}

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

10 papers in Pith

The impact of evolving dark energy on the Weyl potential measured from the Dark Energy Survey Year 3 data

Affine ANEC selects the closed FRW branch for geodesically complete cosmology

Cosmic Strings as Dynamical Dark Energy: Novel Constraints

The Quintom theory of dark energy after DESI DR2

Phase-resolved field-space distance bounds in ekpyrotic, bouncing and cyclic cosmologies

Receipt and verification

First computed	2026-05-18T04:22:19.888785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704bdb7dabf68e550a8f4dacfe88436c8a633b2b0910e19dccd5dd00aae237ca

Aliases

arxiv: astro-ph/0301273 · arxiv_version: astro-ph/0301273v2 · doi: 10.48550/arxiv.astro-ph/0301273 · pith_short_12: OBF5W7NL62HF · pith_short_16: OBF5W7NL62HFKCUP · pith_short_8: OBF5W7NL

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/OBF5W7NL62HFKCUPJWWP5CCDNS \
  | 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: 704bdb7dabf68e550a8f4dacfe88436c8a633b2b0910e19dccd5dd00aae237ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbc340fc6f8d8560d06e78fdb96d437c133e8831ad1ba69d6cb318d045927764",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-14T21:13:14Z",
    "title_canon_sha256": "ab68a393e362b869ad8192dbd26b8139348fd08e5c5de86ee3cd6a716e9b8bfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301273",
    "kind": "arxiv",
    "version": 2
  }
}