Pith Number

pith:CZFEZY2A

pith:2026:CZFEZY2AHUFZE6MBXY6M26TGPL

not attested not anchored not stored refs pending

Seeing Wiggles without Seeing Wiggles: BAO Recovery in 21 cm Intensity Mapping with Deep Learning

Kaifeng Yu, Xin Wang

arxiv:2602.03313 v2 · 2026-02-03 · 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{CZFEZY2AHUFZE6MBXY6M26TGPL}

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	2026-07-24T01:23:04.524311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164a4ce3403d0b927981be3ccd7a667aca8f217fc092fb74113df4598acbd41f

Aliases

arxiv: 2602.03313 · arxiv_version: 2602.03313v2 · doi: 10.48550/arxiv.2602.03313 · pith_short_12: CZFEZY2AHUFZ · pith_short_16: CZFEZY2AHUFZE6MB · pith_short_8: CZFEZY2A

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/CZFEZY2AHUFZE6MBXY6M26TGPL \
  | 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: 164a4ce3403d0b927981be3ccd7a667aca8f217fc092fb74113df4598acbd41f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52b3dee8e5cf98163734cf90c57a7813aad020c7fbdfdd60a1311b665d6390c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-02-03T09:42:28Z",
    "title_canon_sha256": "635962004a2f99e81ff7d52513386c410e4b8cbb73309e65654455f437d5fca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03313",
    "kind": "arxiv",
    "version": 2
  }
}