Pith Number

pith:NCVKHGNA

pith:2019:NCVKHGNAPQL7DAYXJ3LOXT5PYW

not attested not anchored not stored refs pending

Can non-minimal coupling restore the consistency condition in bouncing universes?

Debottam Nandi, L. Sriramkumar

arxiv:1904.13254 v1 · 2019-04-29 · 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{NCVKHGNAPQL7DAYXJ3LOXT5PYW}

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.

Cited by

1 paper in Pith

Primordial non-Gaussianities of scalar and tensor perturbations in general bounce cosmology: Evading the no-go theorem

Receipt and verification

First computed	2026-07-05T00:39:54.915758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68aaa399a07c17f183174ed6ebcfafc5988ea073564e62c4e69ddb8b87a38bde

Aliases

arxiv: 1904.13254 · arxiv_version: 1904.13254v1 · doi: 10.48550/arxiv.1904.13254 · pith_short_12: NCVKHGNAPQL7 · pith_short_16: NCVKHGNAPQL7DAYX · pith_short_8: NCVKHGNA

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/NCVKHGNAPQL7DAYXJ3LOXT5PYW \
  | 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: 68aaa399a07c17f183174ed6ebcfafc5988ea073564e62c4e69ddb8b87a38bde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa938f7768b1082fec677f96fb775b1b8e4de58bbe3162279aa71987cc69a25e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-29T10:12:33Z",
    "title_canon_sha256": "8f6abde383b0956ca1be3519ea9e84a4477b7e30506a2696587cc0e654d62476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13254",
    "kind": "arxiv",
    "version": 1
  }
}