Pith Number

pith:Y7PUQTRG

pith:2017:Y7PUQTRGC5AEAYOZTFBJX2A4HQ

not attested not anchored not stored refs pending

Viable tensor-to-scalar ratio in a symmetric matter bounce

Debika Chowdhury, L. Sriramkumar, Rathul Nath Raveendran

arxiv:1703.10061 v2 · 2017-03-28 · 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{Y7PUQTRGC5AEAYOZTFBJX2A4HQ}

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	2026-05-18T00:24:52.786690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7df484e2617404061d999429be81c3c04db75e3aaf5a0a2bbaab1e008523992

Aliases

arxiv: 1703.10061 · arxiv_version: 1703.10061v2 · doi: 10.48550/arxiv.1703.10061 · pith_short_12: Y7PUQTRGC5AE · pith_short_16: Y7PUQTRGC5AEAYOZ · pith_short_8: Y7PUQTRG

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/Y7PUQTRGC5AEAYOZTFBJX2A4HQ \
  | 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: c7df484e2617404061d999429be81c3c04db75e3aaf5a0a2bbaab1e008523992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b16dcd18305009bb5fe452ade6477ff63f9fcf8f16cded301ee1d4efa1fc570",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-28T17:28:26Z",
    "title_canon_sha256": "fa8f1a7b0d55c2a7d136bd0e71b0e5219378c788448129585639937b364f7bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10061",
    "kind": "arxiv",
    "version": 2
  }
}