Pith Number

pith:KRC5ODQA

pith:2013:KRC5ODQARMRK62TVVRJVFOEEXT

not attested not anchored not stored refs pending

Nebular metallicities in two isolated Local Void dwarf galaxies

David C. Nicholls, Hassan Basurah, Helmut Jerjen, Michael A. Dopita

arxiv:1311.4152 v1 · 2013-11-17 · 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{KRC5ODQARMRK62TVVRJVFOEEXT}

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	2026-05-18T01:46:24.066912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5445d70e008b22af6a75ac5352b884bcd04ce1761dcb999ff46c7d56511c3b83

Aliases

arxiv: 1311.4152 · arxiv_version: 1311.4152v1 · doi: 10.48550/arxiv.1311.4152 · pith_short_12: KRC5ODQARMRK · pith_short_16: KRC5ODQARMRK62TV · pith_short_8: KRC5ODQA

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/KRC5ODQARMRK62TVVRJVFOEEXT \
  | 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: 5445d70e008b22af6a75ac5352b884bcd04ce1761dcb999ff46c7d56511c3b83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fdb86069526ea2b29874ec204db043188e4af36a02acc5e80bfcf1d22e8da2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-17T12:24:23Z",
    "title_canon_sha256": "5a83bb77b9fe13d2ba57e22a7994a034d4fc37056641f57eb538258d6be78535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4152",
    "kind": "arxiv",
    "version": 1
  }
}