Pith Number

pith:H7RTXJXV

pith:2009:H7RTXJXVJVRZLCDSVWQHJ7JGT3

not attested not anchored not stored refs pending

The origin of very wide binary systems

2), (2) University of Sheffield, (3) Lund Observatory, (4) AIfA Bonn), D. Malmberg (3), M.B. Davies (3), M.B.N. Kouwenhoven (1, P. Kroupa (4) ((1) KIAA at Peking University, Richard J. Parker (2), S.P. Goodwin (2)

arxiv:0910.5796 v1 · 2009-10-30 · 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{H7RTXJXVJVRZLCDSVWQHJ7JGT3}

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	2026-05-18T02:11:01.476497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fe33ba6f54d63958872ada074fd269ed3c090e444e08441bb2278d72e044897

Aliases

arxiv: 0910.5796 · arxiv_version: 0910.5796v1 · doi: 10.48550/arxiv.0910.5796 · pith_short_12: H7RTXJXVJVRZ · pith_short_16: H7RTXJXVJVRZLCDS · pith_short_8: H7RTXJXV

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/H7RTXJXVJVRZLCDSVWQHJ7JGT3 \
  | 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: 3fe33ba6f54d63958872ada074fd269ed3c090e444e08441bb2278d72e044897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14cd67efcbdd7633c9a0559d0bbb3a3f17b84a14bcceea9cdee3d15b4d580dd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-30T06:48:17Z",
    "title_canon_sha256": "e4b3e0ea12c57d172f3eab4c77f3ba7ed1d0141aa0131f0c6150981b6144ba8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5796",
    "kind": "arxiv",
    "version": 1
  }
}