Pith Number

pith:IPP4GNNS

pith:2017:IPP4GNNSHN463A5C67A5ZZD6YY

not attested not anchored not stored refs pending

A fast estimator for the bispectrum and beyond - A practical method for measuring non-Gaussianity in 21-cm maps

Catherine A Watkinson, Jonathan R Pritchard, Rajesh Mondal, Suman Majumdar

arxiv:1705.06284 v2 · 2017-05-17 · 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{IPP4GNNSHN463A5C67A5ZZD6YY}

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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

Topological Signatures of Heating and Dark Matter in the 21 cm Forest

Receipt and verification

First computed	2026-05-18T00:31:35.972074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43dfc335b23b79ed83a2f7c1dce47ec61e8f6b014b8254d3001a3eeefb877c1d

Aliases

arxiv: 1705.06284 · arxiv_version: 1705.06284v2 · doi: 10.48550/arxiv.1705.06284 · pith_short_12: IPP4GNNSHN46 · pith_short_16: IPP4GNNSHN463A5C · pith_short_8: IPP4GNNS

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/IPP4GNNSHN463A5C67A5ZZD6YY \
  | 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: 43dfc335b23b79ed83a2f7c1dce47ec61e8f6b014b8254d3001a3eeefb877c1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6be00689b19a76d51a8cb9eeaa3c03ee33557148dbe8da8f769b58e7f03c3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-05-17T18:00:01Z",
    "title_canon_sha256": "e101d491cc2f63d89684cff10f3bb921d1f2e641050cccfb2445720fd7131217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06284",
    "kind": "arxiv",
    "version": 2
  }
}