Pith Number

pith:DWR2ZT2N

pith:2025:DWR2ZT2N7JB33JWLKM2ENOC47A

not attested not anchored not stored refs pending

Model Choice Matters for Age Inference on the Red Giant Branch

Jamie Tayar, Leslie M. Morales, Zachary R. Claytor

arxiv:2504.17600 v1 · 2025-04-24 · astro-ph.SR · astro-ph.GA · 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{DWR2ZT2N7JB33JWLKM2ENOC47A}

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

Evaluating the Sensitivity of the Age Inferences of Red Giant Stars to Machine Learning Methodology

Receipt and verification

First computed	2026-07-05T10:53:32.068046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1da3accf4dfa43bda6cb533446b85cf80780f8d8f3837314e86e2d0a5c33c690

Aliases

arxiv: 2504.17600 · arxiv_version: 2504.17600v1 · doi: 10.48550/arxiv.2504.17600 · pith_short_12: DWR2ZT2N7JB3 · pith_short_16: DWR2ZT2N7JB33JWL · pith_short_8: DWR2ZT2N

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/DWR2ZT2N7JB33JWLKM2ENOC47A \
  | 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: 1da3accf4dfa43bda6cb533446b85cf80780f8d8f3837314e86e2d0a5c33c690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff01306cc2451ad643e92d32854ef83a485e888cbc3be942dbe25f306d288053",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-24T14:26:17Z",
    "title_canon_sha256": "463173d6e0e4c59f10e1e6d38d5f55dda3fcd74e46a671eae37aff03d45185fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17600",
    "kind": "arxiv",
    "version": 1
  }
}