Pith Number

pith:EWXWPCH2

pith:2025:EWXWPCH2LQEAVNSPNO5XT3C5XJ

not attested not anchored not stored refs pending

Configuration Requirements for 21-cm Forest Background Quasar Searches with the Moon-based Interferometer

Qi Niu, Siyuan Zhang, Xin Zhang, Yichao Li

arxiv:2504.15086 v2 · 2025-04-21 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWXWPCH2LQEAVNSPNO5XT3C5XJ}

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	2026-07-05T11:57:36.116300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25af6788fa5c080ab64f6bbb79ec5dba4d28c702fb0b542444178baa81cd696e

Aliases

arxiv: 2504.15086 · arxiv_version: 2504.15086v2 · doi: 10.48550/arxiv.2504.15086 · pith_short_12: EWXWPCH2LQEA · pith_short_16: EWXWPCH2LQEAVNSP · pith_short_8: EWXWPCH2

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/EWXWPCH2LQEAVNSPNO5XT3C5XJ \
  | 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: 25af6788fa5c080ab64f6bbb79ec5dba4d28c702fb0b542444178baa81cd696e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d37ef8122c56479cc67eb865cbb34dbb27ae3f51a768742a215b0cc398081b2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-21T13:20:16Z",
    "title_canon_sha256": "a03751d0b2ce61f081a88b7fdecd399af695f720da2d7d3e8cd40c907484efcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15086",
    "kind": "arxiv",
    "version": 2
  }
}