Pith Number

pith:IC4WSHDJ

pith:2021:IC4WSHDJYMICUXNKW76VGSVVTW

not attested not anchored not stored refs pending

Top-heavy stellar mass distribution in galactic nuclei inferred from the universally high abundance ratio of [Fe/Mg]

Daisuke Toyouchi, Kohei Inayoshi, Miho N. Ishigaki, Nozomu Tominaga

arxiv:2112.06151 v1 · 2021-12-12 · 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{IC4WSHDJYMICUXNKW76VGSVVTW}

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	2026-07-05T04:03:59.283352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b9691c69c3102a5daab7fd534ab59d9df66e86618936f3f819bea87ce8204b

Aliases

arxiv: 2112.06151 · arxiv_version: 2112.06151v1 · doi: 10.48550/arxiv.2112.06151 · pith_short_12: IC4WSHDJYMIC · pith_short_16: IC4WSHDJYMICUXNK · pith_short_8: IC4WSHDJ

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/IC4WSHDJYMICUXNKW76VGSVVTW \
  | 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: 40b9691c69c3102a5daab7fd534ab59d9df66e86618936f3f819bea87ce8204b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe8faef4ca6e159e01fa149b860c3d924d9650319b620561a4eaf01fbcc147de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-12T04:55:23Z",
    "title_canon_sha256": "0c6e2a48e28ca760caa6b8ec9cd7d476e5ff56f856df835acb3daf15de36aed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06151",
    "kind": "arxiv",
    "version": 1
  }
}