Pith Number

pith:BUKJRD3O

pith:2018:BUKJRD3OOXIYQ32XR6OVA4PEIC

not attested not anchored not stored refs pending

On the Prospects of Measuring the Cosmic Dawn 21-cm Power Spectrum using the Upgraded Giant Meterwave Radio Telescope (uGMRT)

Somnath Bharadwaj, Suman Chatterjee

arxiv:1804.00515 v2 · 2018-04-02 · 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{BUKJRD3OOXIYQ32XR6OVA4PEIC}

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	2026-05-17T23:58:48.187034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d14988f6e75d1886f578f9d5071e440acb5f754601e925aa4f30ce7fb166abd

Aliases

arxiv: 1804.00515 · arxiv_version: 1804.00515v2 · doi: 10.48550/arxiv.1804.00515 · pith_short_12: BUKJRD3OOXIY · pith_short_16: BUKJRD3OOXIYQ32X · pith_short_8: BUKJRD3O

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/BUKJRD3OOXIYQ32XR6OVA4PEIC \
  | 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: 0d14988f6e75d1886f578f9d5071e440acb5f754601e925aa4f30ce7fb166abd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc907c3f3ac049c6194fee6221e1c76dc5445ddb95c2d94d308b07050f43da50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-02T14:06:35Z",
    "title_canon_sha256": "26eeed37a3d61b6607dd9f31051d313b4190af43fba3179f22809998d367d2ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00515",
    "kind": "arxiv",
    "version": 2
  }
}