Pith Number

pith:5NQLXUF6

pith:2011:5NQLXUF6C3I2UQSTSPFJB4PAGT

not attested not anchored not stored refs pending

Evolution of growing black holes in axisymmetric galaxy cores

Jose Fiestas, Oliver Porth, Peter Berczik, Rainer Spurzem

arxiv:1108.3993 v1 · 2011-08-19 · 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{5NQLXUF6C3I2UQSTSPFJB4PAGT}

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	2026-05-18T02:00:50.445430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb60bbd0be16d1aa425393ca90f1e034e172f95400056abb2f505b9a4b88a37f

Aliases

arxiv: 1108.3993 · arxiv_version: 1108.3993v1 · doi: 10.48550/arxiv.1108.3993 · pith_short_12: 5NQLXUF6C3I2 · pith_short_16: 5NQLXUF6C3I2UQST · pith_short_8: 5NQLXUF6

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/5NQLXUF6C3I2UQSTSPFJB4PAGT \
  | 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: eb60bbd0be16d1aa425393ca90f1e034e172f95400056abb2f505b9a4b88a37f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba3d082576a6f3c71aaa7af189b42f4edb97939b0f43dbfff091a584231ffbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-19T16:08:47Z",
    "title_canon_sha256": "fcece48b092a160014498cc790bbafa652b171a9208a608d162bb85d4adc85fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3993",
    "kind": "arxiv",
    "version": 1
  }
}