Pith Number

pith:RB62WDLV

pith:2015:RB62WDLVJ25BX5CW6T524WR2LG

not attested not anchored not stored refs pending

Dark Energy Parametrization motivated by Scalar Field Dynamics

Axel de la Macorra

arxiv:1511.04439 v1 · 2015-11-12 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RB62WDLVJ25BX5CW6T524WR2LG}

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	2026-05-18T01:16:17.208373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887dab0d754eba1bf456f4fbae5a3a5992194ca11b3612e78491d79256433179

Aliases

arxiv: 1511.04439 · arxiv_version: 1511.04439v1 · doi: 10.48550/arxiv.1511.04439 · pith_short_12: RB62WDLVJ25B · pith_short_16: RB62WDLVJ25BX5CW · pith_short_8: RB62WDLV

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/RB62WDLVJ25BX5CW6T524WR2LG \
  | 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: 887dab0d754eba1bf456f4fbae5a3a5992194ca11b3612e78491d79256433179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4d008880bf8ff04bc444f4dc8ea35fa9c36ee08f2109642743c7fdaffcc54b0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-11-12T23:48:17Z",
    "title_canon_sha256": "b49cc68f9f6fd074832f2913c230c227dc09de392d8f48898cb2a8fea1e7328c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04439",
    "kind": "arxiv",
    "version": 1
  }
}