Pith Number

pith:7DJTK7GX

pith:2021:7DJTK7GXOKAEFM3JHFLZ46E4KW

not attested not anchored not stored refs pending

Scalar and Tensor Perturbations in DHOST Bounce Cosmology

Amara Ilyas, Emmanuel N.Saridakis, Mian Zhu, Yi-Fu Cai, Yunlong Zheng

arxiv:2108.01339 v2 · 2021-08-03 · gr-qc · astro-ph.CO · hep-ph · 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{7DJTK7GXOKAEFM3JHFLZ46E4KW}

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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

5 papers in Pith

Does Eternal Inflation Violate the Smeared Null Energy Condition?

Phase-resolved field-space distance criteria in ekpyrotic, bouncing and cyclic cosmologies

Rotating Black Holes with Primary Scalar Hair: Shadow Signatures in Beyond Horndeski Gravity

Phase-resolved field-space distance criteria in ekpyrotic, bouncing and cyclic cosmologies

Receipt and verification

First computed	2026-07-05T03:34:31.350258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8d3357cd7728042b36939579e789c55a0511f0c907aec440957c0f3c734551e

Aliases

arxiv: 2108.01339 · arxiv_version: 2108.01339v2 · doi: 10.48550/arxiv.2108.01339 · pith_short_12: 7DJTK7GXOKAE · pith_short_16: 7DJTK7GXOKAEFM3J · pith_short_8: 7DJTK7GX

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/7DJTK7GXOKAEFM3JHFLZ46E4KW \
  | 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: f8d3357cd7728042b36939579e789c55a0511f0c907aec440957c0f3c734551e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54482c7bd84397bc4848bff89d09f0f397bdb5ba98a86d4015b6fe487512471e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-08-03T07:40:06Z",
    "title_canon_sha256": "0ad6872c571da0615181532e26fb42e49912ca6704e492fc6cd63cf9771bb8c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01339",
    "kind": "arxiv",
    "version": 2
  }
}