Pith Number

pith:MBKLYR4R

pith:2009:MBKLYR4R322H4MKUJXXGKT53TH

not attested not anchored not stored refs pending

A Universal Vertical Stellar Density Distribution Law for the Galaxy

E. Hamzaoglu, S. Bilir, S. Karaali

arxiv:0909.2850 v1 · 2009-09-15 · 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{MBKLYR4R322H4MKUJXXGKT53TH}

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	2026-05-18T02:34:29.955584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6054bc4791deb47e31544dee654fbb99e658dd9a0d78a76b868fd66580f319c5

Aliases

arxiv: 0909.2850 · arxiv_version: 0909.2850v1 · doi: 10.48550/arxiv.0909.2850 · pith_short_12: MBKLYR4R322H · pith_short_16: MBKLYR4R322H4MKU · pith_short_8: MBKLYR4R

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/MBKLYR4R322H4MKUJXXGKT53TH \
  | 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: 6054bc4791deb47e31544dee654fbb99e658dd9a0d78a76b868fd66580f319c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daf5054312d2f275804485963a52c507eb26742185e4f26a6620ab032da77f59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-15T18:44:47Z",
    "title_canon_sha256": "d82c1651ecd12aa1556be4187fbdf9439b50290c453159db435d5b8ce7e412dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2850",
    "kind": "arxiv",
    "version": 1
  }
}