Pith Number

pith:YNQG2NVL

pith:2024:YNQG2NVLMQFKP4QYDV4LX64SF6

not attested not anchored not stored refs pending

The age of the Methuselah star in light of stellar evolution models with tailored abundances

A. M. Amarsi, A. Noels, C. Guillaume, G. Buldgen, J. R. Larsen, M. A. Dupret, M. S. Lundkvist, R. Scuflaire

arxiv:2411.12343 v1 · 2024-11-19 · 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{YNQG2NVLMQFKP4QYDV4LX64SF6}

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	2026-07-05T09:44:02.479706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3606d36ab640aa7f2181d78bbfb922f8bf33f066e1d1c43f79cc5bc24098e27

Aliases

arxiv: 2411.12343 · arxiv_version: 2411.12343v1 · doi: 10.48550/arxiv.2411.12343 · pith_short_12: YNQG2NVLMQFK · pith_short_16: YNQG2NVLMQFKP4QY · pith_short_8: YNQG2NVL

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/YNQG2NVLMQFKP4QYDV4LX64SF6 \
  | 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: c3606d36ab640aa7f2181d78bbfb922f8bf33f066e1d1c43f79cc5bc24098e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecc3422f870fd33b79b6af41f20f16e348c836f4bb6d9167225a042218651e6c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-11-19T08:51:03Z",
    "title_canon_sha256": "6afa5720c9c73188f4233bed0e0cdb42d0e2676fcf3e02d2cc800f223f669128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.12343",
    "kind": "arxiv",
    "version": 1
  }
}