Pith Number

pith:HD2LGMB5

pith:2005:HD2LGMB5C6BXI7QJNSLMZVZNSA

not attested not anchored not stored refs pending

A fresh look at the unstable simulations of Bondi-Hoyle-Lyttleton accretion

M. Ruffert (Univ. Edinburgh), P. Galletti (CEA-Saclay), T. Foglizzo (CEA-Saclay)

arxiv:astro-ph/0502168 v1 · 2005-02-08 · 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{HD2LGMB5C6BXI7QJNSLMZVZNSA}

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	2026-07-04T16:50:47.665381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f4b3303d1783747e096c96ccd72d90234c02ff9baf363d73bb032112605461

Aliases

arxiv: astro-ph/0502168 · arxiv_version: astro-ph/0502168v1 · doi: 10.48550/arxiv.astro-ph/0502168 · pith_short_12: HD2LGMB5C6BX · pith_short_16: HD2LGMB5C6BXI7QJ · pith_short_8: HD2LGMB5

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/HD2LGMB5C6BXI7QJNSLMZVZNSA \
  | 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: 38f4b3303d1783747e096c96ccd72d90234c02ff9baf363d73bb032112605461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36ede72dedc220189f45791f5db2bd4253e539505a845704e5c6c96144130336",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-08T17:33:41Z",
    "title_canon_sha256": "4fda4a44b8a944267138333258902d6c6c22632fa298ca9943f277398e6144fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502168",
    "kind": "arxiv",
    "version": 1
  }
}