Pith Number

pith:O4TMZTNG

pith:2013:O4TMZTNG7VZSAU77JJF7V7CYRS

not attested not anchored not stored refs pending

The radial distribution of X-ray Binaries and Globular Clusters in NGC 4649 and their relation with the local stellar mass density

2), 2-University of Durham, 3-Michigan State University, 4-UCO/Lick Observatory, 5-University of Wisconsin, 6-University of Crete, 7-Pennsylvania State University), A. Zezas (6), B. Luo (7) (1-Harvard-Smithsonian Center for Astrophysics, D.-W. Kim (1), G. Fabbiano (1), J. P. Brodie (4), J. S. Gallagher (5), J. Strader (3), R. D'Abrusco (1), S. Mineo (1, T. Fragos (1)

arxiv:1306.6490 v2 · 2013-06-27 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4TMZTNG7VZSAU77JJF7V7CYRS}

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	2026-05-18T01:49:07.179649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c

Aliases

arxiv: 1306.6490 · arxiv_version: 1306.6490v2 · doi: 10.48550/arxiv.1306.6490 · pith_short_12: O4TMZTNG7VZS · pith_short_16: O4TMZTNG7VZSAU77 · pith_short_8: O4TMZTNG

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/O4TMZTNG7VZSAU77JJF7V7CYRS \
  | 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: 7726cccda6fd732053ff4a4bfafc588c83528d4fc0c9fcb5074db4c4b2960e8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e7cafed399283d3ecb12b6c75b82ae0dde5768bb4195d0faa73437f717f942",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-06-27T13:14:12Z",
    "title_canon_sha256": "3ead6fc556e940c15fba7e55c965469de59298ef2807e76b73e1cb20775a1bd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6490",
    "kind": "arxiv",
    "version": 2
  }
}