Pith Number

pith:IDU4QAES

pith:2021:IDU4QAESBKXNT5JBEFTBFDPPEM

not attested not anchored not stored refs pending

Numerical Simulations of the Random Angular Momentum in Convection: Implications for Supergiant Collapse to Form Black Holes

Andrea Antoni, Eliot Quataert

arxiv:2107.09068 v2 · 2021-07-19 · 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{IDU4QAESBKXNT5JBEFTBFDPPEM}

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	2026-07-05T04:03:49.122020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40e9c800920aaed9f5212166128def230100c7ee0dce5dedc36ecbf7e23d60c5

Aliases

arxiv: 2107.09068 · arxiv_version: 2107.09068v2 · doi: 10.48550/arxiv.2107.09068 · pith_short_12: IDU4QAESBKXN · pith_short_16: IDU4QAESBKXNT5JB · pith_short_8: IDU4QAES

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/IDU4QAESBKXNT5JBEFTBFDPPEM \
  | 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: 40e9c800920aaed9f5212166128def230100c7ee0dce5dedc36ecbf7e23d60c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea41481d0a7d491bdaf3bd48476d034bb8b8d2d4dc1c8707f291688aeca7e0d9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-19T18:00:01Z",
    "title_canon_sha256": "410e68d2a810c806afbbfd5b21690a0bde3a8f283cb84aaa9d44add88a33be10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09068",
    "kind": "arxiv",
    "version": 2
  }
}