Pith Number

pith:7JGEVWIF

pith:2015:7JGEVWIFGL7W26EMG5WHA74LQR

not attested not anchored not stored refs pending

Cosmological Evolution in f(R,T) theory with Collisional Matter

A. V. Kpadonou, E. H. Baffou, J. Tossa, M. E. Rodrigues, M. J. S. Houndjo

arxiv:1504.05496 v2 · 2015-04-17 · 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{7JGEVWIFGL7W26EMG5WHA74LQR}

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	2026-05-18T01:28:05.288478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4c4ad90532ff6d788c376c707f8b8469ec4b239ce73071d4d7b3562998fc1b

Aliases

arxiv: 1504.05496 · arxiv_version: 1504.05496v2 · doi: 10.48550/arxiv.1504.05496 · pith_short_12: 7JGEVWIFGL7W · pith_short_16: 7JGEVWIFGL7W26EM · pith_short_8: 7JGEVWIF

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/7JGEVWIFGL7W26EMG5WHA74LQR \
  | 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: fa4c4ad90532ff6d788c376c707f8b8469ec4b239ce73071d4d7b3562998fc1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6baef6e424ca30bbf5f6ffb85ae476de16f94ff36ad4069f31371b72098ad9d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-17T20:24:32Z",
    "title_canon_sha256": "c15895713b30487e27f26d6ce6c2c2224052356600669aa33e5376171dd6eb3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05496",
    "kind": "arxiv",
    "version": 2
  }
}