Pith Number

pith:JXHZPEOO

pith:2025:JXHZPEOOI5B2RVYWF7U435MCXC

not attested not anchored not stored refs pending

Deep learning with hybrid frequency differencing and principal component analysis for 21-cm foreground and beam mitigation

Feng Shi, Le Zhang, Ming Jiang, Shulei Ni, Xiaofan Ma, Xiaoping Li, Yanming Liu, Zitong Wang

arxiv:2511.15072 v3 · 2025-11-19 · 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{JXHZPEOOI5B2RVYWF7U435MCXC}

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	2026-06-23T02:13:18.440149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dcf9791ce4743a8d7162fe9cdf582b8bfbc65111c9c968dddbca0c6b83c4cab

Aliases

arxiv: 2511.15072 · arxiv_version: 2511.15072v3 · doi: 10.48550/arxiv.2511.15072 · pith_short_12: JXHZPEOOI5B2 · pith_short_16: JXHZPEOOI5B2RVYW · pith_short_8: JXHZPEOO

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/JXHZPEOOI5B2RVYWF7U435MCXC \
  | 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: 4dcf9791ce4743a8d7162fe9cdf582b8bfbc65111c9c968dddbca0c6b83c4cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af609b82944cc72386aac600ced3f88859fe902a1883ce7d2465e6194b841dcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-11-19T03:24:01Z",
    "title_canon_sha256": "9e933f28987fbf90f5d8714b37316c87772106978c01c1b0180e2ed01d544680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.15072",
    "kind": "arxiv",
    "version": 3
  }
}