Pith Number

pith:IBTGGG2Y

pith:2024:IBTGGG2YOSU4S66ZTXCOOQGYMU

not attested not anchored not stored refs pending

The black hole low mass X-ray binary V404 Cygni is part of a wide hierarchical triple, and formed without a kick

Andrew Vanderburg, Anna Frebel, Claude Canizares, Deepto Chakrabarty, Erin Kara, Kareem El-Badry, Kevin B. Burdge, Rob Simcoe, Sarah C. Millholland, Saul Rappaport

arxiv:2404.03719 v1 · 2024-04-04 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBTGGG2YOSU4S66ZTXCOOQGYMU}

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.

Cited by

1 paper in Pith

Mixed origins: strong natal kicks for some black holes and none for others

Receipt and verification

First computed	2026-07-05T08:04:40.668454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4066631b5874a9c97bd99dc4e740d86520fbb6969f4abcdd4d13f8bec61c5fd6

Aliases

arxiv: 2404.03719 · arxiv_version: 2404.03719v1 · doi: 10.48550/arxiv.2404.03719 · pith_short_12: IBTGGG2YOSU4 · pith_short_16: IBTGGG2YOSU4S66Z · pith_short_8: IBTGGG2Y

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/IBTGGG2YOSU4S66ZTXCOOQGYMU \
  | 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: 4066631b5874a9c97bd99dc4e740d86520fbb6969f4abcdd4d13f8bec61c5fd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5a062d91828a372e7dec442c63cfbc71630a66c6b22ded260c4cfcb10824f1a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-04-04T18:00:00Z",
    "title_canon_sha256": "6754f73857476fc61fb152d106ab8c23b4d483af4ccac1c1232ed4b21b763feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.03719",
    "kind": "arxiv",
    "version": 1
  }
}