Pith Number

pith:DBWAIO3Y

pith:2019:DBWAIO3YEUMJBCB6DXRT4LIWAG

not attested not anchored not stored refs pending

Properties of OB star-black hole systems derived from detailed binary evolution models

A. A. C. Sander, A. de Koter, A. Herrero, A. Menon, A. Schootemeijer, B. Hastings, Chen Wang, C. J. Evans, C. Sch\"urmann, D. J. Lennon, F. R. N. Schneider, F. Tramper, G. Gr\"afener, H. Sana, J. Bodensteiner, J. M. Bestenlehner, Jorick S. Vink, J. Puls, K. Sen, K. Stoll, L. A. Almeida, L. Fossati, L. Grassitelli, L. Mahy, L. Patrick, M. Quast, M. Renzo, N. Castro, N. Grin, N. Langer, P. A. Crowther, P. Dufton, P. Marchant, P. Schneider, S. Clark, S. E. de Mink, S. Sim\'on-D\'ias, T. M. Tauris, T. Shenar, W. Riedel, Xiao-Tian Xu

arxiv:1912.09826 v2 · 2019-12-20 · astro-ph.SR · 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{DBWAIO3YEUMJBCB6DXRT4LIWAG}

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	2026-07-05T01:15:09.624110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

186c043b78251890883e1de33e2d160192aa6ac6c11e2572b01a9c258d461864

Aliases

arxiv: 1912.09826 · arxiv_version: 1912.09826v2 · doi: 10.48550/arxiv.1912.09826 · pith_short_12: DBWAIO3YEUMJ · pith_short_16: DBWAIO3YEUMJBCB6 · pith_short_8: DBWAIO3Y

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/DBWAIO3YEUMJBCB6DXRT4LIWAG \
  | 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: 186c043b78251890883e1de33e2d160192aa6ac6c11e2572b01a9c258d461864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4738d1cb62e50073d32001198233b819045d6ba4f60cccf09da821b730f3869b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-20T14:00:28Z",
    "title_canon_sha256": "bf2f6664a826bea9f35cdab83e8bc38d46a9fb0b7fec27dede5a6756a236da0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.09826",
    "kind": "arxiv",
    "version": 2
  }
}