Pith Number

pith:OI3R666H

pith:2018:OI3R666HLJP5PWZHPQF5DKAXW2

not attested not anchored not stored refs pending

Abundance patterns of the light neutron-capture elements in very and extremely metal-poor stars

Beatriz Barbuy, Elisabetta Caffau, Fran\c{c}ois Spite, Monique Spite, Patrick Fran\c{c}ois, Piercarlo Bonifacio

arxiv:1801.01304 v1 · 2018-01-04 · 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{OI3R666HLJP5PWZHPQF5DKAXW2}

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	2026-05-18T00:19:21.892140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72371f7bc75a5fd7db277c0bd1a817b69d27f076fd56721792d11fcd7eca1685

Aliases

arxiv: 1801.01304 · arxiv_version: 1801.01304v1 · doi: 10.48550/arxiv.1801.01304 · pith_short_12: OI3R666HLJP5 · pith_short_16: OI3R666HLJP5PWZH · pith_short_8: OI3R666H

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/OI3R666HLJP5PWZHPQF5DKAXW2 \
  | 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: 72371f7bc75a5fd7db277c0bd1a817b69d27f076fd56721792d11fcd7eca1685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0833893805257aedb7c0eb7f5c2931f8dafda292db3cc5ed699f0a73dbdd1bb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-04T10:55:05Z",
    "title_canon_sha256": "8f8a2ae0802a84e3568eae2f9e37af4fbacfe12503ed6418afa75f00f97bf2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01304",
    "kind": "arxiv",
    "version": 1
  }
}