Pith Number

pith:YZMQ4ZCN

pith:1998:YZMQ4ZCN75EOCB5Y5KQOFQHAPG

not attested not anchored not stored refs pending

On the Construction of Time-Symmetric Black Hole Initial Data

Domenico Giulini

arxiv:gr-qc/9804055 v1 · 1998-04-22 · 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{YZMQ4ZCN75EOCB5Y5KQOFQHAPG}

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	2026-05-18T01:39:18.620555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6590e644dff48e107b8eaa0e2c0e079a20422fa8ed294c734c01769e67a8db6

Aliases

arxiv: gr-qc/9804055 · arxiv_version: gr-qc/9804055v1 · doi: 10.48550/arxiv.gr-qc/9804055 · pith_short_12: YZMQ4ZCN75EO · pith_short_16: YZMQ4ZCN75EOCB5Y · pith_short_8: YZMQ4ZCN

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/YZMQ4ZCN75EOCB5Y5KQOFQHAPG \
  | 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: c6590e644dff48e107b8eaa0e2c0e079a20422fa8ed294c734c01769e67a8db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0e894731c549922ace30ffdcd30c86999e46eab5da9c131956e4683e0f497a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-04-22T17:10:08Z",
    "title_canon_sha256": "61cece0f99990476674b119aa385041882b30809e54c3ee80496ffbf64a2f143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9804055",
    "kind": "arxiv",
    "version": 1
  }
}