Pith Number

pith:CZEDJHKA

pith:2019:CZEDJHKA34HVNPQHY4D25PAZVM

not attested not anchored not stored refs pending

Covariant action for bouncing cosmologies in modified Gauss-Bonnet gravity

Daniele Vernieri, In\^es Terrucha, Jos\'e P. S. Lemos

arxiv:1904.00260 v1 · 2019-03-30 · gr-qc · astro-ph.CO · 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{CZEDJHKA34HVNPQHY4D25PAZVM}

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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.

Cited by

1 paper in Pith

Bouncing cosmologies from Born-Infeld-type gravity

Receipt and verification

First computed	2026-05-17T23:49:48.993542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1648349d40df0f56be07c707aebc19ab0617aefe94913c562f9489cc6cee659a

Aliases

arxiv: 1904.00260 · arxiv_version: 1904.00260v1 · doi: 10.48550/arxiv.1904.00260 · pith_short_12: CZEDJHKA34HV · pith_short_16: CZEDJHKA34HVNPQH · pith_short_8: CZEDJHKA

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/CZEDJHKA34HVNPQHY4D25PAZVM \
  | 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: 1648349d40df0f56be07c707aebc19ab0617aefe94913c562f9489cc6cee659a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bc9890b1c5c37872a438e25ab01dcfc7dc426a45d8183047d149b332fff004",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-30T17:37:06Z",
    "title_canon_sha256": "8e8d15a64ed9c5c436e1f7308939e95b1edc7f49e9ad246a37cfd877ec1d664b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00260",
    "kind": "arxiv",
    "version": 1
  }
}