Pith Number

pith:XBJYT3ZS

pith:2001:XBJYT3ZS2B25AHTMAPGP6XKZSG

not attested not anchored not stored refs pending

Black Hole Excision for Dynamic Black Holes

Bernd Bruegmann, Denis Pollney, Edward Seidel, Miguel Alcubierre, Ryoji Takahashi

arxiv:gr-qc/0104020 v2 · 2001-04-05 · 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{XBJYT3ZS2B25AHTMAPGP6XKZSG}

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.

Cited by

1 paper in Pith

Proca stars in excited states

Receipt and verification

First computed	2026-07-04T15:32:07.330666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85389ef32d075d01e6c03ccff5d599188797206f648b276e8eeec529315825d

Aliases

arxiv: gr-qc/0104020 · arxiv_version: gr-qc/0104020v2 · doi: 10.48550/arxiv.gr-qc/0104020 · pith_short_12: XBJYT3ZS2B25 · pith_short_16: XBJYT3ZS2B25AHTM · pith_short_8: XBJYT3ZS

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/XBJYT3ZS2B25AHTMAPGP6XKZSG \
  | 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: b85389ef32d075d01e6c03ccff5d599188797206f648b276e8eeec529315825d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6f68c6b986750d21a65ef7a2cae6d0232760d2faadc8e61d3325241953d73b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-04-05T14:23:37Z",
    "title_canon_sha256": "cf8638d125ef04c7f95d7b755ee43e92a28933a005ba69b353602a865264e434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0104020",
    "kind": "arxiv",
    "version": 2
  }
}