Pith Number

pith:3W3KV6NH

pith:2012:3W3KV6NHXNMDTDOXUCKQKG3KPV

not attested not anchored not stored refs pending

The effective Lagrangian of dark energy from observations

Andrea Cimatti, Licia Verde, Lucia Pozzetti, Michele Moresco, P. Talavera, Raul Jimenez

arxiv:1201.3608 v1 · 2012-01-17 · astro-ph.CO · 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{3W3KV6NHXNMDTDOXUCKQKG3KPV}

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	2026-05-18T01:58:47.951238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddb6aaf9a7bb58398dd7a095051b6a7d77188fed467a9254dc37d6149f7d9718

Aliases

arxiv: 1201.3608 · arxiv_version: 1201.3608v1 · doi: 10.48550/arxiv.1201.3608 · pith_short_12: 3W3KV6NHXNMD · pith_short_16: 3W3KV6NHXNMDTDOX · pith_short_8: 3W3KV6NH

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/3W3KV6NHXNMDTDOXUCKQKG3KPV \
  | 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: ddb6aaf9a7bb58398dd7a095051b6a7d77188fed467a9254dc37d6149f7d9718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae3ba82fd2739328c9cbfe4368a6091a4a2c992dbb8c53256e5d1a7440ab705",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-17T20:18:41Z",
    "title_canon_sha256": "5ddb7a9badf2866b31039971dbd9ef8d5a149756da6732638a01b3846988834e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3608",
    "kind": "arxiv",
    "version": 1
  }
}