Pith Number

pith:A5T7RSG2

pith:2026:A5T7RSG2VC67STIYCTEAHQO23B

not attested not anchored not stored refs pending

Wedge-avoidance Fisher Forecasts for Primordial Non-Gaussianity from Dark-Ages 21-cm Power Spectrum and Bispectrum

Bin Yue, Chen Zhang, Furen Deng, Xuelei Chen, Yidong Xu, Yuewei Wen

arxiv:2606.23314 v1 · 2026-06-22 · 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{A5T7RSG2VC67STIYCTEAHQO23B}

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	2026-06-23T03:14:16.635875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0767f8c8daa8bdf94d1814c803c1dad861af883273ea64dade49f34784c9f5e5

Aliases

arxiv: 2606.23314 · arxiv_version: 2606.23314v1 · doi: 10.48550/arxiv.2606.23314 · pith_short_12: A5T7RSG2VC67 · pith_short_16: A5T7RSG2VC67STIY · pith_short_8: A5T7RSG2

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/A5T7RSG2VC67STIYCTEAHQO23B \
  | 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: 0767f8c8daa8bdf94d1814c803c1dad861af883273ea64dade49f34784c9f5e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "880e63765b4f855fdaabedb50cd4e97176cef798faa46bbab579f43894bfec8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-22T13:26:49Z",
    "title_canon_sha256": "26e71561045e001ff21d0b296d053f3636cf850ac6891a30607ac96d238007ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23314",
    "kind": "arxiv",
    "version": 1
  }
}