Pith Number

pith:HJV75LEE

pith:2015:HJV75LEEXJOLIS44JF25RWW33M

not attested not anchored not stored refs pending

Carbon and nitrogen abundances of individual stars in the Sculptor dwarf spheroidal galaxy

C. Lardo, D. Romano, E. Pancino, E. Starkenburg, E. Tolstoy, G. Battaglia, M. J. Irwin, M. Tosi, P. Jablonka, T. J. L. de Boer

arxiv:1511.01322 v1 · 2015-11-04 · astro-ph.GA · 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{HJV75LEEXJOLIS44JF25RWW33M}

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	2026-05-18T01:23:22.724809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a6bfeac84ba5cb44b9c4975d8dadbdb0d1500e6e6e65c49992962195897cf87

Aliases

arxiv: 1511.01322 · arxiv_version: 1511.01322v1 · doi: 10.48550/arxiv.1511.01322 · pith_short_12: HJV75LEEXJOL · pith_short_16: HJV75LEEXJOLIS44 · pith_short_8: HJV75LEE

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/HJV75LEEXJOLIS44JF25RWW33M \
  | 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: 3a6bfeac84ba5cb44b9c4975d8dadbdb0d1500e6e6e65c49992962195897cf87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654f14b04b9e316e3f11232578952ee11c5e3f80d7afa2a6de8980f8e956e23b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-04T13:22:17Z",
    "title_canon_sha256": "b06a3d081f851782b46f40215969f4cbac0180ce6ba1e059d9f96cc665fd181b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01322",
    "kind": "arxiv",
    "version": 1
  }
}