Pith Number

pith:YLLYJSPD

pith:2006:YLLYJSPD4W6EX27GR5AETGANHN

not attested not anchored not stored refs pending

Mass and Angular Momentum of Black Holes: An Overlooked Effect of General Relativity Applied to the Galactic Center Black Hole Sgr A*

B. Aschenbach

arxiv:astro-ph/0603193 v1 · 2006-03-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLLYJSPD4W6EX27GR5AETGANHN}

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	2026-07-04T16:58:22.288370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2d784c9e3e5bc4bebe68f4049980d3b49b98b123788bba82064784faa4b0988

Aliases

arxiv: astro-ph/0603193 · arxiv_version: astro-ph/0603193v1 · doi: 10.48550/arxiv.astro-ph/0603193 · pith_short_12: YLLYJSPD4W6E · pith_short_16: YLLYJSPD4W6EX27G · pith_short_8: YLLYJSPD

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/YLLYJSPD4W6EX27GR5AETGANHN \
  | 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: c2d784c9e3e5bc4bebe68f4049980d3b49b98b123788bba82064784faa4b0988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af0eb7083dfe6831246604be006eaf716b1ae2873cf41da029d20bddcf784813",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-08T12:44:13Z",
    "title_canon_sha256": "137be874e53538c36babcf43b1fd94f60757c1ada22d1d1eb9a69705f1dcf45b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603193",
    "kind": "arxiv",
    "version": 1
  }
}