Pith Number

pith:SGAPFYQJ

pith:2006:SGAPFYQJAR3MRT4VRFKMUNWYD7

not attested not anchored not stored refs pending

The origin and fate of short-period low-mass black-hole binaries

E. P. J. van den Heuvel, G. Dubus, G. Nelemans, J. Dewi, J.-P. Lasota, L. R. Yungelson, S. Portegies Zwart

arxiv:astro-ph/0604434 v1 · 2006-04-20 · 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{SGAPFYQJAR3MRT4VRFKMUNWYD7}

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	2026-07-04T16:58:37.281203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9180f2e2090476c8cf958954ca36d81fef92d6d54bc9faef1cb9092c771a5f95

Aliases

arxiv: astro-ph/0604434 · arxiv_version: astro-ph/0604434v1 · doi: 10.48550/arxiv.astro-ph/0604434 · pith_short_12: SGAPFYQJAR3M · pith_short_16: SGAPFYQJAR3MRT4V · pith_short_8: SGAPFYQJ

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/SGAPFYQJAR3MRT4VRFKMUNWYD7 \
  | 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: 9180f2e2090476c8cf958954ca36d81fef92d6d54bc9faef1cb9092c771a5f95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bad57ee438784ca0d0594bb93cf513b2bef14aae311a5457149cd1bf070933a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-20T15:29:56Z",
    "title_canon_sha256": "add3e8c10c6d17e195d3f10af0140a370cc9f50f442b7ee56a2125ddcc33a92f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604434",
    "kind": "arxiv",
    "version": 1
  }
}