Pith Number

pith:A3CPOHVW

pith:2009:A3CPOHVWK22U6LD3KTIYUYCNPV

not attested not anchored not stored refs pending

The nuclear star cluster of the Milky Way: proper motions and mass

A. Eckart, D. Merritt, R. Schoedel

arxiv:0902.3892 v1 · 2009-02-23 · 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{A3CPOHVWK22U6LD3KTIYUYCNPV}

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	2026-05-18T02:14:46.334071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06c4f71eb656b54f2c7b54d18a604d7d5bcbf2823d227392888f3c8f091e9178

Aliases

arxiv: 0902.3892 · arxiv_version: 0902.3892v1 · doi: 10.48550/arxiv.0902.3892 · pith_short_12: A3CPOHVWK22U · pith_short_16: A3CPOHVWK22U6LD3 · pith_short_8: A3CPOHVW

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/A3CPOHVWK22U6LD3KTIYUYCNPV \
  | 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: 06c4f71eb656b54f2c7b54d18a604d7d5bcbf2823d227392888f3c8f091e9178

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4738909443127f73ec58f264f7436e40a2c91498687ace40d7ce51b1b890c93a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-23T11:28:33Z",
    "title_canon_sha256": "f1b2b1052e190ddba36654f5a5a82beb363b536786fe21e01e06117cd105bf7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3892",
    "kind": "arxiv",
    "version": 1
  }
}