Pith Number

pith:CSJJEXID

pith:2025:CSJJEXIDXGMQYY5VKQV7QDSEND

not attested not anchored not stored refs pending

Caveats about measuring carbon abundances in stars using the CH band

Adam Thomas Knowles, Alejandra Recio-Blanco, Alejandro Vazdekis, Carlos Allende Prieto, Pablo Santos-Peral, Patricia S\'anchez-Bl\'azquez, Pedro Alonso Palicio

arxiv:2507.11351 v1 · 2025-07-15 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CSJJEXIDXGMQYY5VKQV7QDSEND}

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	2026-07-05T12:07:39.593506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1492925d03b9990c63b5542bf80e4468e89aa36920b6c6a9595ca6b068cae4c2

Aliases

arxiv: 2507.11351 · arxiv_version: 2507.11351v1 · doi: 10.48550/arxiv.2507.11351 · pith_short_12: CSJJEXIDXGMQ · pith_short_16: CSJJEXIDXGMQYY5V · pith_short_8: CSJJEXID

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/CSJJEXIDXGMQYY5VKQV7QDSEND \
  | 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: 1492925d03b9990c63b5542bf80e4468e89aa36920b6c6a9595ca6b068cae4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a31ada22e4620a566a8e6958f15e29e755af859283157b529e47d0ed5c790b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-15T14:23:31Z",
    "title_canon_sha256": "af593fda60af4b8b27c04ab6f6452f2758465671c7d508973b3d67511dc4bb6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11351",
    "kind": "arxiv",
    "version": 1
  }
}