Pith Number

pith:IIM4KL4B

pith:2016:IIM4KL4B6TG7QTASAIWZ3YK2D3

not attested not anchored not stored refs pending

Fundamental stellar parameters and age-metallicity relation of Kepler red giants in comparison with theoretical evolutionary tracks

A. Tajitsu, B. Sato, G. Zhao, Y.-J. Liu, Y.-Q. Chen, Y. Takeda

arxiv:1601.06886 v1 · 2016-01-26 · 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{IIM4KL4B6TG7QTASAIWZ3YK2D3}

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	2026-05-18T01:21:25.145250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4219c52f81f4cdf84c12022d9de15a1efc503bf0044a60da93d8d9164eea5356

Aliases

arxiv: 1601.06886 · arxiv_version: 1601.06886v1 · doi: 10.48550/arxiv.1601.06886 · pith_short_12: IIM4KL4B6TG7 · pith_short_16: IIM4KL4B6TG7QTAS · pith_short_8: IIM4KL4B

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/IIM4KL4B6TG7QTASAIWZ3YK2D3 \
  | 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: 4219c52f81f4cdf84c12022d9de15a1efc503bf0044a60da93d8d9164eea5356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec65767dd088d1bbd3920e763e77da22a20ac70d9e40f8e957be89707a0037e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-26T04:27:17Z",
    "title_canon_sha256": "5312c20f9c973d5c131c2bf011e659a8cb79e8f24bec02eed5b4fbb9e97217de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06886",
    "kind": "arxiv",
    "version": 1
  }
}