Pith Number

pith:BPL5YGY4

pith:2009:BPL5YGY4KOKAPB3X7D3DMZW45L

not attested not anchored not stored refs pending

Mass transfer in eccentric binaries: the new Oil-on-Water SPH technique

Christopher A. Tout, Johann Dischler, Martin E. Beer, Melvyn B. Davies, Ross P. Church, Tim Adams

arxiv:0902.3509 v1 · 2009-02-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPL5YGY4KOKAPB3X7D3DMZW45L}

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	2026-07-04T17:14:27.332155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd7dc1b1c5394078777f8f63666dcead32ed61f520e1d99d0521b006a39eb23

Aliases

arxiv: 0902.3509 · arxiv_version: 0902.3509v1 · doi: 10.48550/arxiv.0902.3509 · pith_short_12: BPL5YGY4KOKA · pith_short_16: BPL5YGY4KOKAPB3X · pith_short_8: BPL5YGY4

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/BPL5YGY4KOKAPB3X7D3DMZW45L \
  | 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: 0bd7dc1b1c5394078777f8f63666dcead32ed61f520e1d99d0521b006a39eb23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71f9784046c47febcb012c3162c4eca0dd632cb8ffc16f5d45db6d98d3c4ab21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-20T03:40:08Z",
    "title_canon_sha256": "daada23d6b7a5d62b5002de9cf6f75efe9cc2b78983e91f7a2b5746eab166631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3509",
    "kind": "arxiv",
    "version": 1
  }
}