Pith Number

pith:5Q44BTSF

pith:2016:5Q44BTSFJKLLZBRDWPC5YJYZST

not attested not anchored not stored refs pending

Spotting deviations from R^2 inflation

Alvaro de la Cruz-Dombriz (ACGC, Diego Saez-Gomez (IA, Emilio Elizalde (ICE-CSIC/IEEC), ICREA), Sergei D. Odintsov (ICE-CSIC/IEEC, U. of Cape Town), U. of Lisbon)

arxiv:1603.05537 v2 · 2016-03-17 · gr-qc · 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{5Q44BTSFJKLLZBRDWPC5YJYZST}

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	2026-05-18T01:12:43.084405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec39c0ce454a96bc8623b3c5dc271994fc040a4d5d62055155d9cc0aeaaf4b68

Aliases

arxiv: 1603.05537 · arxiv_version: 1603.05537v2 · doi: 10.48550/arxiv.1603.05537 · pith_short_12: 5Q44BTSFJKLL · pith_short_16: 5Q44BTSFJKLLZBRD · pith_short_8: 5Q44BTSF

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/5Q44BTSFJKLLZBRDWPC5YJYZST \
  | 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: ec39c0ce454a96bc8623b3c5dc271994fc040a4d5d62055155d9cc0aeaaf4b68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d898f8fcf519f32c2427c9ee84623585bbe87d6aff37df8a097d009f0f0310ec",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-03-17T15:22:03Z",
    "title_canon_sha256": "7af5d3223c15704753d0ac4a84f1dc3695a6b70a9d854515b5a70743c9c4cd4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05537",
    "kind": "arxiv",
    "version": 2
  }
}