Pith Number

pith:TSX6KR5I

pith:2013:TSX6KR5IG5EVIZ4ARGB6TH3AXN

not attested not anchored not stored refs pending

Neutron-capture element deficiency of the Hercules dwarf spheroidal galaxy

Andreas Koch, Daniel Aden, Francesca Matteucci, Sofia Feltzing

arxiv:1304.2764 v1 · 2013-04-09 · 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{TSX6KR5IG5EVIZ4ARGB6TH3AXN}

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	2026-05-18T01:50:40.903467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cafe547a837495467808983e99f60bb42a2842c189399c27de9faca2b565091

Aliases

arxiv: 1304.2764 · arxiv_version: 1304.2764v1 · doi: 10.48550/arxiv.1304.2764 · pith_short_12: TSX6KR5IG5EV · pith_short_16: TSX6KR5IG5EVIZ4A · pith_short_8: TSX6KR5I

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/TSX6KR5IG5EVIZ4ARGB6TH3AXN \
  | 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: 9cafe547a837495467808983e99f60bb42a2842c189399c27de9faca2b565091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31827b205ef080d67e3b89223bb2587d0e5469a2d13aa940b029f533ed32ddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-09T20:00:00Z",
    "title_canon_sha256": "6a66bea5cfc1827db627a7ca29b5e14da3e6849894d90efd1a6df4a4715ffc3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2764",
    "kind": "arxiv",
    "version": 1
  }
}