Pith Number

pith:7FIUTXIV

pith:2023:7FIUTXIVFVNVW5LRGH4YCR57U4

not attested not anchored not stored refs pending

21-cm Signal from the Epoch of Reionization: A Machine Learning upgrade to Foreground Removal with Gaussian Process Regression

Anshuman Acharya, Benedetta Ciardi, Florent Mertens, Garrelt Mellema, Ian Hothi, L\'eon V. E. Koopmans, Qing-Bo Ma, Raghunath Ghara, Sambit K. Giri, Satyapan Munshi

arxiv:2311.16633 v2 · 2023-11-28 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FIUTXIVFVNVW5LRGH4YCR57U4}

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.

Cited by

1 paper in Pith

Machine Learning and the SKA for Cosmic Dawn and the Epoch of Reionization

Receipt and verification

First computed	2026-07-05T07:18:13.458724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95149dd152d5b5b757131f98147bfa7283603968a05ff63099d782ad8cba655

Aliases

arxiv: 2311.16633 · arxiv_version: 2311.16633v2 · doi: 10.48550/arxiv.2311.16633 · pith_short_12: 7FIUTXIVFVNV · pith_short_16: 7FIUTXIVFVNVW5LR · pith_short_8: 7FIUTXIV

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/7FIUTXIVFVNVW5LRGH4YCR57U4 \
  | 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: f95149dd152d5b5b757131f98147bfa7283603968a05ff63099d782ad8cba655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8b35dab2bed85a77c51827a96c90c40153ab335b09d14655552c80c2b6b634f",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-11-28T09:36:38Z",
    "title_canon_sha256": "39a72ded668ff2602984209fa31f9ea5d68ad6bc2592a4afa9c4a86a91f1c537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.16633",
    "kind": "arxiv",
    "version": 2
  }
}