Pith Number

pith:YQPBHL3X

pith:1996:YQPBHL3XQUBT4DDPPAKPTC3DX7

not attested not anchored not stored refs pending

Chaos around a H\'enon-Heiles-inspired exact perturbation of a black hole

Patricio S. Letelier, Werner M. Vieira

arxiv:gr-qc/9604037 v1 · 1996-04-18 · gr-qc · chao-dyn · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQPBHL3XQUBT4DDPPAKPTC3DX7}

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	2026-05-18T01:06:44.664149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c41e13af7785033e0c6f7814f98b63bffbbf7dc3f3e845f5bc277e4465082735

Aliases

arxiv: gr-qc/9604037 · arxiv_version: gr-qc/9604037v1 · doi: 10.48550/arxiv.gr-qc/9604037 · pith_short_12: YQPBHL3XQUBT · pith_short_16: YQPBHL3XQUBT4DDP · pith_short_8: YQPBHL3X

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/YQPBHL3XQUBT4DDPPAKPTC3DX7 \
  | 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: c41e13af7785033e0c6f7814f98b63bffbbf7dc3f3e845f5bc277e4465082735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13638fe840b23d2e3eceb4ffb66d57d2140497ed7e347a6a06721959960ffa8d",
    "cross_cats_sorted": [
      "chao-dyn",
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-04-18T02:49:28Z",
    "title_canon_sha256": "eccaeb232bdffc3a458709e608288ffe50a0bcafd6dcf7a92e4ab0fcd64cc54e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9604037",
    "kind": "arxiv",
    "version": 1
  }
}