Pith Number

pith:ZM33PDWO

pith:2009:ZM33PDWOW55HZPP55X42LKCPV6

not attested not anchored not stored refs pending

The solar, exoplanet and cosmological lithium problems

B. Gustafsson, D. Yong, I. Ramirez, J. D. do Nascimento Jr., J. Melendez, L. Casagrande, M. Asplund, M. Bazot, M. Castro

arxiv:0910.5845 v2 · 2009-10-30 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZM33PDWOW55HZPP55X42LKCPV6}

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	2026-05-18T04:35:14.929951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb37b78eceb77a7cbdfdedf9a5a84fafa04744b228123f9e1c916397ef6ee2f1

Aliases

arxiv: 0910.5845 · arxiv_version: 0910.5845v2 · doi: 10.48550/arxiv.0910.5845 · pith_short_12: ZM33PDWOW55H · pith_short_16: ZM33PDWOW55HZPP5 · pith_short_8: ZM33PDWO

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/ZM33PDWOW55HZPP55X42LKCPV6 \
  | 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: cb37b78eceb77a7cbdfdedf9a5a84fafa04744b228123f9e1c916397ef6ee2f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8324ba104921c57f819a9918dd4439d51fae1a4d1293792a11c7c179ce1c91ab",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-30T11:10:16Z",
    "title_canon_sha256": "4962102fa19afcff16451b0a444cc35f0140ad3a6ea0dff5756633e06b98ef08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5845",
    "kind": "arxiv",
    "version": 2
  }
}