Pith Number

pith:Y2JWR3Y2

pith:2013:Y2JWR3Y2SXXUWVPL5C3UVR43AO

not attested not anchored not stored refs pending

New constraints on Coupled Dark Energy from Planck

Andrea Marchini, Laura Lopez-Honorez, Olga Mena, Valentina Salvatelli

arxiv:1304.7119 v3 · 2013-04-26 · astro-ph.CO · 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{Y2JWR3Y2SXXUWVPL5C3UVR43AO}

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.

Receipt and verification

First computed	2026-05-18T03:14:39.072495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69368ef1a95ef4b55ebe8b74ac79b03a9b53c749589598780b725598bef8b42

Aliases

arxiv: 1304.7119 · arxiv_version: 1304.7119v3 · doi: 10.48550/arxiv.1304.7119 · pith_short_12: Y2JWR3Y2SXXU · pith_short_16: Y2JWR3Y2SXXUWVPL · pith_short_8: Y2JWR3Y2

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/Y2JWR3Y2SXXUWVPL5C3UVR43AO \
  | 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: c69368ef1a95ef4b55ebe8b74ac79b03a9b53c749589598780b725598bef8b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b725f672c2a3a787c266096f8e7bee5a65f292e1dfbcd6b094f53b34dc755aa",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-26T10:42:46Z",
    "title_canon_sha256": "f5ec918f424442f22e2532309f169153522a266878dbd14eea1d77bdebafa9a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7119",
    "kind": "arxiv",
    "version": 3
  }
}