Pith Number

pith:ALGZGJ5W

pith:2013:ALGZGJ5WUS2FUBDWFW3PXOUEDP

not attested not anchored not stored refs pending

G2 can Illuminate the Black Hole Population near the Galactic Center

Bence Kocsis, Imre Bartos, Szabolcs Marka, Zoltan Haiman

arxiv:1302.3220 v2 · 2013-02-13 · 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{ALGZGJ5WUS2FUBDWFW3PXOUEDP}

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	2026-05-18T03:21:43.312424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02cd9327b6a4b45a04762db6fbba841bc263af291913028c17475d4925ce74ea

Aliases

arxiv: 1302.3220 · arxiv_version: 1302.3220v2 · doi: 10.48550/arxiv.1302.3220 · pith_short_12: ALGZGJ5WUS2F · pith_short_16: ALGZGJ5WUS2FUBDW · pith_short_8: ALGZGJ5W

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/ALGZGJ5WUS2FUBDWFW3PXOUEDP \
  | 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: 02cd9327b6a4b45a04762db6fbba841bc263af291913028c17475d4925ce74ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90236f2cb9c752f2801d2286b3b97d117e936bd64d9f0ff416544ccb1432cb09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-13T21:00:00Z",
    "title_canon_sha256": "66508bbad54348dd51d8030abbffe3caa12b434dbbf13e7fd4dc352d6f00fcd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3220",
    "kind": "arxiv",
    "version": 2
  }
}