Pith Number

pith:O4OLGBWF

pith:2016:O4OLGBWFB4QBAP6XGZVF4WCESU

not attested not anchored not stored refs pending

Abundance scaling in stars, nebulae and galaxies

Brent A. Groves, David C. Nicholls, Lisa J. Kewley, Michael A. Dopita, Ralph S. Sutherland

arxiv:1612.03546 v1 · 2016-12-12 · 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{O4OLGBWFB4QBAP6XGZVF4WCESU}

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	2026-05-18T00:46:38.545900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771cb306c50f20103fd7366a5e5844950be791c2b928877ea32238173ae73963

Aliases

arxiv: 1612.03546 · arxiv_version: 1612.03546v1 · doi: 10.48550/arxiv.1612.03546 · pith_short_12: O4OLGBWFB4QB · pith_short_16: O4OLGBWFB4QBAP6X · pith_short_8: O4OLGBWF

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/O4OLGBWFB4QBAP6XGZVF4WCESU \
  | 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: 771cb306c50f20103fd7366a5e5844950be791c2b928877ea32238173ae73963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f5a097a443c63931e6429cbf936f21c192e385f0ccc9d7c30d925099c984111",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-12T05:23:53Z",
    "title_canon_sha256": "faa88ca3e2138c2f9ba67b454a71d1bb258db7b784791a43947e5dca56dd66de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03546",
    "kind": "arxiv",
    "version": 1
  }
}