Pith Number

pith:ELMMQCPD

pith:2018:ELMMQCPDCSQP2HBSHOQ5QX42IL

not attested not anchored not stored refs pending

Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS

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

arxiv:1803.09252 v1 · 2018-03-25 · 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{ELMMQCPDCSQP2HBSHOQ5QX42IL}

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	2026-05-18T00:12:52.655525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22d8c809e314a0fd1c323ba1d85f9a42fa461c8430d47e01eff2f84e55e24b53

Aliases

arxiv: 1803.09252 · arxiv_version: 1803.09252v1 · doi: 10.48550/arxiv.1803.09252 · pith_short_12: ELMMQCPDCSQP · pith_short_16: ELMMQCPDCSQP2HBS · pith_short_8: ELMMQCPD

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/ELMMQCPDCSQP2HBSHOQ5QX42IL \
  | 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: 22d8c809e314a0fd1c323ba1d85f9a42fa461c8430d47e01eff2f84e55e24b53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98ae52dfa224d3fac9499a1f92f132a321a6b611508d325800f4cf4242fd226e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-25T13:34:33Z",
    "title_canon_sha256": "86cceb36ba26cfc1d3fabb619916092597fa10a9d8ac2662afa7fa264beb312d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09252",
    "kind": "arxiv",
    "version": 1
  }
}