Pith Number

pith:UGHGMHLH

pith:2019:UGHGMHLHUC7EHYTRTEKSMTS3SW

not attested not anchored not stored refs pending

Li Evolution and the Open Cluster NGC 6819: A Correlation Between Li Depletion and Spindown in Dwarfs More Massive Than the F-Dwarf Li-Dip

(2) Univ. of Kansas), B. A. Twarog (2) ((1) Indiana Univ., B. J. Anthony-Twarog (2), C. P. Deliyannis (1), D. B. Lee-Brown (2)

arxiv:1909.04523 v1 · 2019-09-10 · 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{UGHGMHLHUC7EHYTRTEKSMTS3SW}

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

Subgiants in NGC 188 Reveal that Rotationally Induced Mixing Creates the Main Sequence Li-Dip

Receipt and verification

First computed	2026-07-05T00:10:43.750254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18e661d67a0be43e2719915264e5b95928e99fc6c84cba855242d1a358729a1

Aliases

arxiv: 1909.04523 · arxiv_version: 1909.04523v1 · doi: 10.48550/arxiv.1909.04523 · pith_short_12: UGHGMHLHUC7E · pith_short_16: UGHGMHLHUC7EHYTR · pith_short_8: UGHGMHLH

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/UGHGMHLHUC7EHYTRTEKSMTS3SW \
  | 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: a18e661d67a0be43e2719915264e5b95928e99fc6c84cba855242d1a358729a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0c65d11d0dfb830cc40ccad1e1859b0d243f795ce48ec2d34bef859e7bad84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-10T14:32:56Z",
    "title_canon_sha256": "c839d78186419738d6afdb30a059d8826acc6410ff3da9f20b585d11ff188fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04523",
    "kind": "arxiv",
    "version": 1
  }
}