Pith Number

pith:HUBCERLE

pith:2013:HUBCERLEMIX4NLWUSY5DLLS2HI

not attested not anchored not stored refs pending

Chemical Analysis of the Ninth Magnitude Carbon-Enhanced Metal-Poor Star BD+44 493

H. Ito, N. Tominaga, S. Honda, T.C. Beers, W. Aoki

arxiv:1306.3614 v1 · 2013-06-15 · 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{HUBCERLEMIX4NLWUSY5DLLS2HI}

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	2026-05-18T01:49:16.513614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d02224564622fc6aed4963a35ae5a3a0a4addf3bb6ab95fb5dd4d717a82cbac

Aliases

arxiv: 1306.3614 · arxiv_version: 1306.3614v1 · doi: 10.48550/arxiv.1306.3614 · pith_short_12: HUBCERLEMIX4 · pith_short_16: HUBCERLEMIX4NLWU · pith_short_8: HUBCERLE

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/HUBCERLEMIX4NLWUSY5DLLS2HI \
  | 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: 3d02224564622fc6aed4963a35ae5a3a0a4addf3bb6ab95fb5dd4d717a82cbac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3158895dfca2bba19aae56a80d192a9e45a0e2f74ba480604324708e251825",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-15T23:28:11Z",
    "title_canon_sha256": "9adc732fbd93a7f39b7bec07541cd1622901ec16069c2fddd3a23afea880f98d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3614",
    "kind": "arxiv",
    "version": 1
  }
}