Pith Number

pith:G7PYQIP7

pith:2013:G7PYQIP7CE275PJYPMWIHNUVDD

not attested not anchored not stored refs pending

The Dense Stellar Systems Around Galactic Massive Black Holes

Italy), M. Arca-Sedda, M. Spera (Dep. of Physics, R. Capuzzo-Dolcetta, Sapienza, Universita' di Roma

arxiv:1302.2509 v1 · 2013-02-11 · astro-ph.CO · 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{G7PYQIP7CE275PJYPMWIHNUVDD}

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	2026-05-18T03:34:00.937537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37df8821ff1135febd387b2c83b69518c97e4b0afab885c73a865af5fb783011

Aliases

arxiv: 1302.2509 · arxiv_version: 1302.2509v1 · doi: 10.48550/arxiv.1302.2509 · pith_short_12: G7PYQIP7CE27 · pith_short_16: G7PYQIP7CE275PJY · pith_short_8: G7PYQIP7

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/G7PYQIP7CE275PJYPMWIHNUVDD \
  | 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: 37df8821ff1135febd387b2c83b69518c97e4b0afab885c73a865af5fb783011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ea94f8a4ebefb00fe73b0208dc7509800636a7f9b173d44ae45f2db3a8cfb3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-11T15:45:31Z",
    "title_canon_sha256": "fa7de8dca45e8300d1d154386c66ca66abc507e7a390a9a7d5c270f6a348ae60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2509",
    "kind": "arxiv",
    "version": 1
  }
}