Pith Number

pith:EJVTYPSC

pith:2023:EJVTYPSCGO7NFKSGDKYDQHRKZF

not attested not anchored not stored refs pending

Formulation Improvements for Critical Collapse Simulations

Bernd Br\"ugmann, Daniela Cors, David Hilditch, Hannes R. R\"uter, Sarah Renkhoff

arxiv:2308.01812 v1 · 2023-08-03 · 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{EJVTYPSCGO7NFKSGDKYDQHRKZF}

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	2026-07-05T09:10:29.106178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226b3c3e4233bed2aa461ab0381e2ac9436a898083f3505f0b32a5becec114ca

Aliases

arxiv: 2308.01812 · arxiv_version: 2308.01812v1 · doi: 10.48550/arxiv.2308.01812 · pith_short_12: EJVTYPSCGO7N · pith_short_16: EJVTYPSCGO7NFKSG · pith_short_8: EJVTYPSC

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/EJVTYPSCGO7NFKSGDKYDQHRKZF \
  | 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: 226b3c3e4233bed2aa461ab0381e2ac9436a898083f3505f0b32a5becec114ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b430450224f0974c951dfc9619690d564247cfafe43c27fec2050eae22305f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-08-03T15:17:42Z",
    "title_canon_sha256": "385d353f6967a53a862a8c7ea2d830ae103369442d942e6052cdcb2576976a7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.01812",
    "kind": "arxiv",
    "version": 1
  }
}