Pith Number

pith:47X5E74K

pith:2014:47X5E74KUD4XKPR2FETKBEKFXI

not attested not anchored not stored refs pending

The effect of non-Gaussianity on error predictions for the Epoch of Reionization (EoR) 21-cm power spectrum

Apurba Bera (IIT Kharagpur), Ayan Acharyya (IIT Kharagpur), Rajesh Mondal (IIT Kharagpur), Somnath Bharadwaj (IIT Kharagpur), Suman Majumdar (Stockholm U)

arxiv:1409.4420 v4 · 2014-09-15 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47X5E74KUD4XKPR2FETKBEKFXI}

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	2026-05-18T02:25:55.929026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7efd27f8aa0f9753e3a2926a09145ba07f07826b01465c98420d4e9f8620b23

Aliases

arxiv: 1409.4420 · arxiv_version: 1409.4420v4 · doi: 10.48550/arxiv.1409.4420 · pith_short_12: 47X5E74KUD4X · pith_short_16: 47X5E74KUD4XKPR2 · pith_short_8: 47X5E74K

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/47X5E74KUD4XKPR2FETKBEKFXI \
  | 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: e7efd27f8aa0f9753e3a2926a09145ba07f07826b01465c98420d4e9f8620b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe16bc2c542b109eb43858f9c2f7bf43251fdd811cefe30a0f0ae0a8e44fb5af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-15T20:00:11Z",
    "title_canon_sha256": "c919dec67ccb62af3088d6473a06aaf75808c972364b58ce5c1e7dd55bba865e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4420",
    "kind": "arxiv",
    "version": 4
  }
}