Pith Number

pith:QPDVQME3

pith:2018:QPDVQME3QON6KIL62T6CWEYPCB

not attested not anchored not stored refs pending

Binary black hole simulation with an adaptive finite element method III: Evolving a single black hole

Li-Wei Ji, Rong-Gen Cai, Zhoujian Cao

arxiv:1805.10642 v2 · 2018-05-27 · 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{QPDVQME3QON6KIL62T6CWEYPCB}

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	2026-05-18T00:02:59.767334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c758309b839be5217ed4fc2b130f10784e919fe2c48addc45b38f1d17c2ac1

Aliases

arxiv: 1805.10642 · arxiv_version: 1805.10642v2 · doi: 10.48550/arxiv.1805.10642 · pith_short_12: QPDVQME3QON6 · pith_short_16: QPDVQME3QON6KIL6 · pith_short_8: QPDVQME3

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/QPDVQME3QON6KIL62T6CWEYPCB \
  | 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: 83c758309b839be5217ed4fc2b130f10784e919fe2c48addc45b38f1d17c2ac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e82512af60c78c6077b80582c30d4a7bb12ae194391f9b717e5872839657c694",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-27T15:44:30Z",
    "title_canon_sha256": "7f23dcac7c5a8f1286682dbdef2681766e0b680aad370b4b46cc5019e61fc71f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10642",
    "kind": "arxiv",
    "version": 2
  }
}