Pith Number

pith:ME226XYA

pith:2026:ME226XYARSWLGTUM6DXZ4HOUAH

not attested not anchored not stored refs pending

Smoking-gun signatures of bounce cosmology from echoes of relic gravitational waves

Mian Zhu, Yi-Fu Cai

arxiv:2603.13924 v2 · 2026-03-14 · astro-ph.CO · 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{ME226XYARSWLGTUM6DXZ4HOUAH}

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

2 papers in Pith

Primary gravitational waves at high frequencies II: Emergence of the exponential cut-off in the power spectrum

Bouncing cosmologies from Born-Infeld-type gravity

Receipt and verification

First computed	2026-06-19T16:12:19.554396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6135af5f008cacb34e8cf0ef9e1dd401c0695cf09b794b6196e90407e3c1c23f

Aliases

arxiv: 2603.13924 · arxiv_version: 2603.13924v2 · doi: 10.48550/arxiv.2603.13924 · pith_short_12: ME226XYARSWL · pith_short_16: ME226XYARSWLGTUM · pith_short_8: ME226XYA

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/ME226XYARSWLGTUM6DXZ4HOUAH \
  | 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: 6135af5f008cacb34e8cf0ef9e1dd401c0695cf09b794b6196e90407e3c1c23f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5e8e0e7774a73bb1770a94c35fc05eb17daa9d9be20291b9c6b42a5d463e78",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-03-14T12:40:05Z",
    "title_canon_sha256": "509455a2b5fe94f28fd1b7e86f6897a691ce2928a7dd966e96e3f5c86952f261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.13924",
    "kind": "arxiv",
    "version": 2
  }
}