Pith Number

pith:FQ6X7JDG

pith:1999:FQ6X7JDGBWZVWEFJFCIS2ZL376

not attested not anchored not stored refs pending

The formation of lithium lines in the atmospheres of super Li-rich AGB stars

Carlos Abia, Patrick de Laverny, Yakiv Pavlenko

arxiv:astro-ph/9904420 v1 · 1999-04-30 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQ6X7JDGBWZVWEFJFCIS2ZL376}

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

The temporal and spatial variations of lithium abundance in the Galactic disc

Receipt and verification

First computed	2026-05-18T04:21:32.229788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3d7fa4660db35b10a928912d657bffbfeb461aaaa5dba971f2061042d19378

Aliases

arxiv: astro-ph/9904420 · arxiv_version: astro-ph/9904420v1 · doi: 10.48550/arxiv.astro-ph/9904420 · pith_short_12: FQ6X7JDGBWZV · pith_short_16: FQ6X7JDGBWZVWEFJ · pith_short_8: FQ6X7JDG

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/FQ6X7JDGBWZVWEFJFCIS2ZL376 \
  | 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: 2c3d7fa4660db35b10a928912d657bffbfeb461aaaa5dba971f2061042d19378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f61b02400fe8e2d35e1dba726412d6064719c7cf7c0f5035931006af20ea54e9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-30T07:00:09Z",
    "title_canon_sha256": "c3cccc33ac6b5c1f54c3be00a54f5a99c6969b8b3793a7c6d16068c6b720c46c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904420",
    "kind": "arxiv",
    "version": 1
  }
}