Pith Number

pith:DJJT2EVC

pith:2013:DJJT2EVCI3T4JYJ2GTEOENQSVJ

not attested not anchored not stored refs pending

Unexpected radial trend of the iron abundance in a sample of monometallic Galactic globular clusters

2)((1) Instituto de Astronom\'ia, (2) Sternberg Astronomical Institute, Antofagasta, Moscow), MSU, UCN, Valery V. Kravtsov (1

arxiv:1306.4930 v1 · 2013-06-20 · 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{DJJT2EVCI3T4JYJ2GTEOENQSVJ}

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	2026-05-18T03:20:21.135672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a533d12a246e7c4e13a34c8e23612aa427cc1c1e00e3ef926f6bfd8d9e31a46

Aliases

arxiv: 1306.4930 · arxiv_version: 1306.4930v1 · doi: 10.48550/arxiv.1306.4930 · pith_short_12: DJJT2EVCI3T4 · pith_short_16: DJJT2EVCI3T4JYJ2 · pith_short_8: DJJT2EVC

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/DJJT2EVCI3T4JYJ2GTEOENQSVJ \
  | 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: 1a533d12a246e7c4e13a34c8e23612aa427cc1c1e00e3ef926f6bfd8d9e31a46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d898a8aa251f254591bce7e6835bc0b8e6b43287a975f02d779e81d14156a47e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-20T16:22:47Z",
    "title_canon_sha256": "046332571867c2f3da2120f7274d6fff4aeac29be43f9ecb9ba026645ad26edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4930",
    "kind": "arxiv",
    "version": 1
  }
}