Pith Number

pith:YZSHX6WG

pith:2017:YZSHX6WGHK5J4BH2AVN55OI7FP

not attested not anchored not stored refs pending

Galactic evolution of Copper in the light of NLTE computations

A.V. Zhukova, E. Caffau, F. Spite, L. Sbordone, M. Spite, P. Bonifacio, S. Andrievsky, S. Korotin

arxiv:1709.08619 v1 · 2017-09-25 · astro-ph.SR · 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{YZSHX6WGHK5J4BH2AVN55OI7FP}

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	2026-05-18T00:29:28.625750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6647bfac63aba9e04fa055bdeb91f2bff9e1125689d9490c53601cfce536433

Aliases

arxiv: 1709.08619 · arxiv_version: 1709.08619v1 · doi: 10.48550/arxiv.1709.08619 · pith_short_12: YZSHX6WGHK5J · pith_short_16: YZSHX6WGHK5J4BH2 · pith_short_8: YZSHX6WG

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/YZSHX6WGHK5J4BH2AVN55OI7FP \
  | 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: c6647bfac63aba9e04fa055bdeb91f2bff9e1125689d9490c53601cfce536433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa43aaec7286420540a1a38453ed0a8d59c9afc485e43cdc9bee39805f8d367",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-09-25T17:59:07Z",
    "title_canon_sha256": "c392ea4e27f34b06f9646644487acd907f7e245b0131642ea894748e8312f362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08619",
    "kind": "arxiv",
    "version": 1
  }
}