Pith Number

pith:7PDAGLNV

pith:2014:7PDAGLNVT2AL3HZZJFCPL7DOK4

not attested not anchored not stored refs pending

Dark energy models through nonextensive Tsallis' statistics

Ed\'esio M. Barboza Jr., Everton M. C. Abreu, Jorge Ananias Neto, Rafael da C. Nunes

arxiv:1403.5706 v1 · 2014-03-22 · 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{7PDAGLNVT2AL3HZZJFCPL7DOK4}

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	2026-05-18T02:55:49.065524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbc6032db59e80bd9f394944f5fc6e5707cca083fa5e159d221614d9e0450625

Aliases

arxiv: 1403.5706 · arxiv_version: 1403.5706v1 · doi: 10.48550/arxiv.1403.5706 · pith_short_12: 7PDAGLNVT2AL · pith_short_16: 7PDAGLNVT2AL3HZZ · pith_short_8: 7PDAGLNV

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/7PDAGLNVT2AL3HZZJFCPL7DOK4 \
  | 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: fbc6032db59e80bd9f394944f5fc6e5707cca083fa5e159d221614d9e0450625

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a11f8cf658aabcc30fbcec641b0306d6c486f835b9c23c8878ae6860d69fc4d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-03-22T21:52:22Z",
    "title_canon_sha256": "6c49e390ec6f7834a9c3931b73fa05766272ec36bce5ea9a3becec465d4f76dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5706",
    "kind": "arxiv",
    "version": 1
  }
}