Pith Number

pith:LDTFVOCD

pith:2016:LDTFVOCDFZVUJBD3BNMVTYAQ3O

not attested not anchored not stored refs pending

The Solar Twin Planet Search III. The [Y/Mg] clock: estimating stellar ages of solar-type stars

I. Ram\'irez, J. L. Bean, J. Mel\'endez, M. Asplund, M. Bedell, M. Tucci Maia

arxiv:1604.05733 v1 · 2016-04-19 · 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{LDTFVOCDFZVUJBD3BNMVTYAQ3O}

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	2026-05-18T01:15:39.515394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e65ab8432e6b44847b0b5959e010db9981e42b2317e6c2ff736ba815afdb79

Aliases

arxiv: 1604.05733 · arxiv_version: 1604.05733v1 · doi: 10.48550/arxiv.1604.05733 · pith_short_12: LDTFVOCDFZVU · pith_short_16: LDTFVOCDFZVUJBD3 · pith_short_8: LDTFVOCD

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/LDTFVOCDFZVUJBD3BNMVTYAQ3O \
  | 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: 58e65ab8432e6b44847b0b5959e010db9981e42b2317e6c2ff736ba815afdb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6805255b66bc65996eb996ca3b5777963f466fe7944e6cba23879635b1c27bf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-19T20:10:00Z",
    "title_canon_sha256": "6608b0e7e11faabf6ac88c089149df49e28256b5aae85df5e4933d3406a87f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05733",
    "kind": "arxiv",
    "version": 1
  }
}