Pith Number

pith:P67GN2PG

pith:2019:P67GN2PGUMQRNSS7RTV2QY6LN2

not attested not anchored not stored refs pending

Back to the Lithium Plateau with J0023+0307 with [Fe/H]<-6

Carlos Allende Prieto, David S. Aguado, Jonay I. Gonz\'alez Hern\'andez, Rafael Rebolo

arxiv:1904.04892 v1 · 2019-04-09 · astro-ph.SR · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P67GN2PGUMQRNSS7RTV2QY6LN2}

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	2026-05-17T23:48:29.361869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fbe66e9e6a32116ca5f8ceba863cb6eb7e625ef20cf983eac28e96217c1b037

Aliases

arxiv: 1904.04892 · arxiv_version: 1904.04892v1 · doi: 10.48550/arxiv.1904.04892 · pith_short_12: P67GN2PGUMQR · pith_short_16: P67GN2PGUMQRNSS7 · pith_short_8: P67GN2PG

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/P67GN2PGUMQRNSS7RTV2QY6LN2 \
  | 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: 7fbe66e9e6a32116ca5f8ceba863cb6eb7e625ef20cf983eac28e96217c1b037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77480db6c2a819f905b53a227826f99c68997e43fcedc1c5b9f726def4ba681a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-09T20:12:40Z",
    "title_canon_sha256": "d7cfc96360dabbf85758e2b7e90e9ecb0cd5cd36941aacd131f8aeb92789295d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04892",
    "kind": "arxiv",
    "version": 1
  }
}