Pith Number

pith:4XX7I7XS

pith:2019:4XX7I7XSOCC3RHRGQPMZSJOYOZ

not attested not anchored not stored refs pending

Be and O in the ultra metal-poor dwarf 2MASS J18082002-5104378: The Be-O correlation

A.J. Gallagher, E. Caffau, F. Spite, L. Sbordone, M. Spite, P. Bonifacio

arxiv:1902.11048 v1 · 2019-02-28 · 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{4XX7I7XSOCC3RHRGQPMZSJOYOZ}

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	2026-05-17T23:49:01.760998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5eff47ef27085b89e2683d99925d8764534c2372526b910e581b8962a835932

Aliases

arxiv: 1902.11048 · arxiv_version: 1902.11048v1 · doi: 10.48550/arxiv.1902.11048 · pith_short_12: 4XX7I7XSOCC3 · pith_short_16: 4XX7I7XSOCC3RHRG · pith_short_8: 4XX7I7XS

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/4XX7I7XSOCC3RHRGQPMZSJOYOZ \
  | 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: e5eff47ef27085b89e2683d99925d8764534c2372526b910e581b8962a835932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c43efe8149ec4153f76a37749dfc1ab0e4c09b938db54bfd83f14e1d1ce5db7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-28T12:30:55Z",
    "title_canon_sha256": "edeba45ca39e71687ae2b800e74e79b79bef070f0dedadd5ed4dc12278fb142f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11048",
    "kind": "arxiv",
    "version": 1
  }
}