Pith Number

pith:MO5ZB4PQ

pith:2015:MO5ZB4PQ5LA3JSW6Z4BQNBKY7R

not attested not anchored not stored refs pending

Constraints on modified Gauss-Bonnet gravity during big bang nucleosynthesis

K. S. Kim, Motohiko Kusakabe, Myung-Ki Cheoun, Seoktae Koh

arxiv:1507.05565 v1 · 2015-07-20 · astro-ph.CO · 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{MO5ZB4PQ5LA3JSW6Z4BQNBKY7R}

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	2026-05-18T01:18:33.545980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63bb90f1f0eac1b4cadecf03068558fc7ed2ab404ba9a09a1d9a6eb11e79109a

Aliases

arxiv: 1507.05565 · arxiv_version: 1507.05565v1 · doi: 10.48550/arxiv.1507.05565 · pith_short_12: MO5ZB4PQ5LA3 · pith_short_16: MO5ZB4PQ5LA3JSW6 · pith_short_8: MO5ZB4PQ

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/MO5ZB4PQ5LA3JSW6Z4BQNBKY7R \
  | 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: 63bb90f1f0eac1b4cadecf03068558fc7ed2ab404ba9a09a1d9a6eb11e79109a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b50edc16ed3e8ba5269a1407f9f95eb4f010ff35b6529470ba6ec3b72f6947",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-07-20T17:13:02Z",
    "title_canon_sha256": "54df4ae80d402016ff819509e83046878f17eec0c42d3fc6825e8d1e37d1d015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05565",
    "kind": "arxiv",
    "version": 1
  }
}