Pith Number

pith:RRQHJ226

pith:2019:RRQHJ226LPRC4UKVJJ4ZTMA3LA

not attested not anchored not stored refs pending

Critical phenomena in gravitational collapse with two competing massless matter fields

Carsten Gundlach, David Hilditch, Thomas W. Baumgarte

arxiv:1908.05971 v2 · 2019-08-16 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRQHJ226LPRC4UKVJJ4ZTMA3LA}

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	2026-07-05T00:18:39.486196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6074eb5e5be22e51554a7999b01b5831582c76a331acd90b0a9afedc3ed60b

Aliases

arxiv: 1908.05971 · arxiv_version: 1908.05971v2 · doi: 10.48550/arxiv.1908.05971 · pith_short_12: RRQHJ226LPRC · pith_short_16: RRQHJ226LPRC4UKV · pith_short_8: RRQHJ226

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/RRQHJ226LPRC4UKVJJ4ZTMA3LA \
  | 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: 8c6074eb5e5be22e51554a7999b01b5831582c76a331acd90b0a9afedc3ed60b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c5210041c04728d73451d8bba47747046c07cad63749654f0021ee08660c3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-16T13:47:09Z",
    "title_canon_sha256": "e66a184ff04707885b8367affe8e1aa106236103a9a819931a838509fd24fe0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05971",
    "kind": "arxiv",
    "version": 2
  }
}