Pith Number

pith:EHXRMBK4

pith:2012:EHXRMBK4ATQHEODRA34WWQCBCF

not attested not anchored not stored refs pending

Reconstruction of the Dark Energy equation of state

A.N. Lasenby, J.Alberto Vazquez, M. Bridges, M.P. Hobson

arxiv:1205.0847 v2 · 2012-05-04 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHXRMBK4ATQHEODRA34WWQCBCF}

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

2 papers in Pith

Negative neutrino mass or negative dark energy?

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

Receipt and verification

First computed	2026-05-18T03:30:42.139837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ef16055c04e072387106f96b4041117542c2375d6420c86a91a0e1edc5d2ce

Aliases

arxiv: 1205.0847 · arxiv_version: 1205.0847v2 · doi: 10.48550/arxiv.1205.0847 · pith_short_12: EHXRMBK4ATQH · pith_short_16: EHXRMBK4ATQHEODR · pith_short_8: EHXRMBK4

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/EHXRMBK4ATQHEODRA34WWQCBCF \
  | 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: 21ef16055c04e072387106f96b4041117542c2375d6420c86a91a0e1edc5d2ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17358317a7146dc581ad25f7e24d73f9bf68fb04b8b8158648e890ec742047c2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-04T02:45:35Z",
    "title_canon_sha256": "d8611e639deebe8e6798023bebe999ada5835ef3bcf5f0644009330605a503ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0847",
    "kind": "arxiv",
    "version": 2
  }
}