Pith Number

pith:HF3K24F6

pith:2021:HF3K24F6QKUECJQES5D2JMCM4P

not attested not anchored not stored refs pending

Feature Selection on a Flare Forecasting Testbed: A Comparative Study of 24 Methods

Atharv Yeoleka, Azim Ahmadzadeh, Krishna Rukmini Puthucode, Rafal A. Angryk, Sagar Patel, Shreejaa Talla, Viacheslav M. Sadykov

arxiv:2109.14770 v1 · 2021-09-30 · astro-ph.SR · astro-ph.IM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HF3K24F6QKUECJQES5D2JMCM4P}

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	2026-07-05T03:18:44.225890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3976ad70be82a84126049747a4b04ce3f60a1f26ecea2e89b43ff501f13b5961

Aliases

arxiv: 2109.14770 · arxiv_version: 2109.14770v1 · doi: 10.48550/arxiv.2109.14770 · pith_short_12: HF3K24F6QKUE · pith_short_16: HF3K24F6QKUECJQE · pith_short_8: HF3K24F6

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/HF3K24F6QKUECJQES5D2JMCM4P \
  | 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: 3976ad70be82a84126049747a4b04ce3f60a1f26ecea2e89b43ff501f13b5961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29fbeaec621dd0b30121a27cb8d9f7290a5136bfd00f2088ee475e7cb065173b",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-30T00:23:09Z",
    "title_canon_sha256": "0a4d57f0a3362d7d35d9d2e1a42667a4f7812d7ca3e62a61c88ea029e918ede9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14770",
    "kind": "arxiv",
    "version": 1
  }
}