Pith Number

pith:CKXBC5NW

pith:2025:CKXBC5NWNHTE4KB2BTEXFTAQHA

not attested not anchored not stored refs pending

Fluorine production in He-burning regions of massive stars during cosmic history

Arthur Choplin, Eoin Farrell, Georges Meynet, Jos\'e G. Fern\'andez-Trincado, Katia Cunha, Marcel Arnould, Rafael Guer\c{c}o, S\'ebastien Martinet, Sophie Tsiatsiou, St\'ephane Goriely, Sylvia Ekstr\"om, Verne Smith, Yutaka Hirai, Yves Sibony

arxiv:2504.02569 v1 · 2025-04-03 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKXBC5NWNHTE4KB2BTEXFTAQHA}

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	2026-07-05T10:43:59.335558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ae1175b669e64e283a0cc972cc103826ca1d0b6d43f174306209455ed4f4ef

Aliases

arxiv: 2504.02569 · arxiv_version: 2504.02569v1 · doi: 10.48550/arxiv.2504.02569 · pith_short_12: CKXBC5NWNHTE · pith_short_16: CKXBC5NWNHTE4KB2 · pith_short_8: CKXBC5NW

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/CKXBC5NWNHTE4KB2BTEXFTAQHA \
  | 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: 12ae1175b669e64e283a0cc972cc103826ca1d0b6d43f174306209455ed4f4ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ff22425e25395c965ba44a4cbd6c567a38e7b4e9e2b1721f8fa83720427c02",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-03T13:36:04Z",
    "title_canon_sha256": "de753bc4eafaab5724848c3a5d92ac6a94d1b2e8cec9b0cc6b69cde1a6d0088c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02569",
    "kind": "arxiv",
    "version": 1
  }
}