Pith Number

pith:PYQT6FIB

pith:2021:PYQT6FIB5ATC3L6WWE6HRAPB3Y

not attested not anchored not stored refs pending

Evolution of Wolf-Rayet stars as black hole progenitors

Andreas A.C. Sander, Erin R. Higgins, Jorick S. Vink, Raphael Hirschi

arxiv:2105.12139 v1 · 2021-05-25 · 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{PYQT6FIB5ATC3L6WWE6HRAPB3Y}

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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.

Cited by

1 paper in Pith

Diagnosing the Properties and Evolutionary Fates of Black Hole and Wolf-Rayet X-ray Binaries as Potential Gravitational Wave Sources for the LIGO-Virgo-KAGRA Network

Receipt and verification

First computed	2026-07-05T02:55:48.762044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e213f1501e8262dafd6b13c7881e1de1b1162efd84e9cb6863c489d7e2f1b7f

Aliases

arxiv: 2105.12139 · arxiv_version: 2105.12139v1 · doi: 10.48550/arxiv.2105.12139 · pith_short_12: PYQT6FIB5ATC · pith_short_16: PYQT6FIB5ATC3L6W · pith_short_8: PYQT6FIB

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/PYQT6FIB5ATC3L6WWE6HRAPB3Y \
  | 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: 7e213f1501e8262dafd6b13c7881e1de1b1162efd84e9cb6863c489d7e2f1b7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "773a122a44435cde293084f5916ffdc1278d0b4ec4cd56295ac67bf5dc25a3f1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-25T18:00:02Z",
    "title_canon_sha256": "0e44eac19dc75cdf9fd81ef83c589084589dbc762dbeebdfb0f2354073b6df14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12139",
    "kind": "arxiv",
    "version": 1
  }
}