Pith Number

pith:562VOPQG

pith:2020:562VOPQGTSWRIPFRWBW3OURFVD

not attested not anchored not stored refs pending

Redback/Black Widow Systems as progenitors of the highest neutron star masses and low-mass Black Holes

A. Bernardo, J. E. Horvath, L.S. Rocha, M.G.B. de Avellar, P.H.R.S. Moraes, R. Valentim

arxiv:2006.06398 v1 · 2020-06-10 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{562VOPQGTSWRIPFRWBW3OURFVD}

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	2026-07-05T01:09:33.400989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efb5573e069cad143cb1b06db75225a8f462bf9e913d2f19ef16019e89e0cff7

Aliases

arxiv: 2006.06398 · arxiv_version: 2006.06398v1 · doi: 10.48550/arxiv.2006.06398 · pith_short_12: 562VOPQGTSWR · pith_short_16: 562VOPQGTSWRIPFR · pith_short_8: 562VOPQG

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/562VOPQGTSWRIPFRWBW3OURFVD \
  | 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: efb5573e069cad143cb1b06db75225a8f462bf9e913d2f19ef16019e89e0cff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16fef723d6117e42ec3df89cd7d5d4dbd1d3c8dc01a965b4365426db7873bec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-06-10T17:13:46Z",
    "title_canon_sha256": "ccf1a5a2551ba1e7dd9dac2b4e2d0cfb0afc131e543d0045a57db1772fbbca2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06398",
    "kind": "arxiv",
    "version": 1
  }
}