Pith Number

pith:MHF7RTKF

pith:2007:MHF7RTKFNF5UMPMCL3F7KEPONV

not attested not anchored not stored refs pending

Escape from the vicinity of fractal basin boundaries of a star cluster

Andreas Ernst, Andreas Just, Oliver Porth, Rainer Spurzem

arxiv:0710.4485 v1 · 2007-10-24 · 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{MHF7RTKFNF5UMPMCL3F7KEPONV}

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	2026-05-18T04:29:33.775611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61cbf8cd45697b463d825ecbf511ee6d7ce15113f553276825cb2c389111896e

Aliases

arxiv: 0710.4485 · arxiv_version: 0710.4485v1 · doi: 10.48550/arxiv.0710.4485 · pith_short_12: MHF7RTKFNF5U · pith_short_16: MHF7RTKFNF5UMPMC · pith_short_8: MHF7RTKF

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/MHF7RTKFNF5UMPMCL3F7KEPONV \
  | 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: 61cbf8cd45697b463d825ecbf511ee6d7ce15113f553276825cb2c389111896e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d1dd189e5625258af14dfcd24cbd1e3506bf807a41b943c6298125b7e07e2de",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-24T14:38:34Z",
    "title_canon_sha256": "58b7898544c45e4305065e1a9760484d941e0b67ad451d4d868745ea4415dac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4485",
    "kind": "arxiv",
    "version": 1
  }
}