Pith Number

pith:7JWA733N

pith:2011:7JWA733NSSLBJ73O7GSNUKAUFK

not attested not anchored not stored refs pending

Holographic dark energy in the DGP model

Francisco Pe\~na, Norman Cruz, Samuel Lepe

arxiv:1109.2090 v1 · 2011-09-09 · 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{7JWA733NSSLBJ73O7GSNUKAUFK}

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	2026-05-18T02:00:37.012658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6c0fef6d949614ff6ef9a4da28142a846fae6946cc2035579595479ce4e236

Aliases

arxiv: 1109.2090 · arxiv_version: 1109.2090v1 · doi: 10.48550/arxiv.1109.2090 · pith_short_12: 7JWA733NSSLB · pith_short_16: 7JWA733NSSLBJ73O · pith_short_8: 7JWA733N

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/7JWA733NSSLBJ73O7GSNUKAUFK \
  | 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: fa6c0fef6d949614ff6ef9a4da28142a846fae6946cc2035579595479ce4e236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ddfe6a94885dd9780eef9adf5656c00f72a433893164ef4b9ab0589067d2120",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-09T18:49:58Z",
    "title_canon_sha256": "8e2a8b43177dc8a2767aa60e7a1e4359ae67756a4f627e72dbd8222af829867d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2090",
    "kind": "arxiv",
    "version": 1
  }
}