Pith Number

pith:2JIOX74B

pith:2021:2JIOX74BJMB5T576UBWMAGXU3M

not attested not anchored not stored refs pending

Nearly scale-invariant curvature modes from entropy perturbations during graceful exit

Anna Ijjas, Roman Kolevatov

arxiv:2102.03818 v1 · 2021-02-07 · 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{2JIOX74BJMB5T576UBWMAGXU3M}

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

Causal Horizons, Geodesic Completeness and Stability in Slow Contraction Cosmology

Receipt and verification

First computed	2026-07-05T02:43:17.125082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d250ebff814b03d9f7fea06cc01af4db23c6a3c420a2520d3de6e26c65cc354d

Aliases

arxiv: 2102.03818 · arxiv_version: 2102.03818v1 · doi: 10.48550/arxiv.2102.03818 · pith_short_12: 2JIOX74BJMB5 · pith_short_16: 2JIOX74BJMB5T576 · pith_short_8: 2JIOX74B

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/2JIOX74BJMB5T576UBWMAGXU3M \
  | 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: d250ebff814b03d9f7fea06cc01af4db23c6a3c420a2520d3de6e26c65cc354d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bcc5e5ee82b550f40db58911833ff1456a64950f73188eb86b7660d417433cd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-07T15:29:13Z",
    "title_canon_sha256": "c369b980dbec3b9d4ef65819d918834977b2ac92cca3a85f9627e0d61d35c95f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03818",
    "kind": "arxiv",
    "version": 1
  }
}