Pith Number

pith:AZ4E357D

pith:2009:AZ4E357D4FFEVPF3A52YU2QHV3

not attested not anchored not stored refs pending

Testing Properties of the Galactic Center Black Hole Using Stellar Orbits

Clifford M. Will, David Merritt, Seppo Mikkola, Tal Alexander

arxiv:0911.4718 v1 · 2009-11-25 · astro-ph.GA · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZ4E357D4FFEVPF3A52YU2QHV3}

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.

Cited by

1 paper in Pith

Galactic Centre Pulsars with the SKAO

Receipt and verification

First computed	2026-07-04T17:28:48.542969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06784df7e3e14a4abcbb07758a6a07aec7ef6cf07b72fd135c96df2664c09fb2

Aliases

arxiv: 0911.4718 · arxiv_version: 0911.4718v1 · doi: 10.48550/arxiv.0911.4718 · pith_short_12: AZ4E357D4FFE · pith_short_16: AZ4E357D4FFEVPF3 · pith_short_8: AZ4E357D

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/AZ4E357D4FFEVPF3A52YU2QHV3 \
  | 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: 06784df7e3e14a4abcbb07758a6a07aec7ef6cf07b72fd135c96df2664c09fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "888888bd223731b28bcfe6c0ea3af9524bbaf44165a0fd20b3eada771d8cf77d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-25T15:25:16Z",
    "title_canon_sha256": "ae1e53cac4d3a7970f600f30375b7bf5ed22c7024df3e9e7f87da0f8885bcbcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4718",
    "kind": "arxiv",
    "version": 1
  }
}