pith. sign in
Pith Number

pith:YN6OT5EF

pith:2011:YN6OT5EFZDRBFTM3AS4CKAIRQM
not attested not anchored not stored refs pending

Scalar Field Dark Energy Parametrization

Axel de la Macorra

arxiv:1108.0876 v2 · 2011-08-03 · astro-ph.CO · gr-qc · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YN6OT5EFZDRBFTM3AS4CKAIRQM}

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 2026-05-18T04:06:46.065949Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c37ce9f485c8e212cd9b04b82501118319b1ec843bd3fdce5c668e6089ae5000

Aliases

arxiv: 1108.0876 · arxiv_version: 1108.0876v2 · doi: 10.48550/arxiv.1108.0876 · pith_short_12: YN6OT5EFZDRB · pith_short_16: YN6OT5EFZDRBFTM3 · pith_short_8: YN6OT5EF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YN6OT5EFZDRBFTM3AS4CKAIRQM \
  | 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: c37ce9f485c8e212cd9b04b82501118319b1ec843bd3fdce5c668e6089ae5000
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4fba20c011361a4ebd48b89854e025aae9c1a2b871f2ec240487c0d218cfcda7",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-03T15:54:36Z",
    "title_canon_sha256": "9b408acac8d3f6194f72b19bdf598b88e69244e6bc8212bcd25ca430fad3d301"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0876",
    "kind": "arxiv",
    "version": 2
  }
}