Pith. sign in
Pith Number

pith:PFHW7RCE

pith:1997:PFHW7RCEEOEWILKHEXZDBDPFMH
not attested not anchored not stored refs pending

Black Hole Perturbation

Hideyuki Tagoshi, Masaru Shibata, Misao Sasaki, Takahiro Tanaka, Yasushi Mino

arxiv:gr-qc/9712057 v1 · 1997-12-12 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PFHW7RCEEOEWILKHEXZDBDPFMH}

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

7 papers in Pith

Receipt and verification
First computed 2026-07-04T15:23:04.151229Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

794f6fc4442389642d4725f2308de561d1e554153f4121eb88585a6eaf64a4f6

Aliases

arxiv: gr-qc/9712057 · arxiv_version: gr-qc/9712057v1 · doi: 10.48550/arxiv.gr-qc/9712057 · pith_short_12: PFHW7RCEEOEW · pith_short_16: PFHW7RCEEOEWILKH · pith_short_8: PFHW7RCE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PFHW7RCEEOEWILKHEXZDBDPFMH \
  | 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: 794f6fc4442389642d4725f2308de561d1e554153f4121eb88585a6eaf64a4f6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "70a04ad779f10afa8f4d85b7192c8c96d404c8a429e3ed52b196374508a2d455",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-12-12T09:46:08Z",
    "title_canon_sha256": "309cb30fed4a401ca8dd3b526b549a86e46f64686378d109955af42999cf72bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9712057",
    "kind": "arxiv",
    "version": 1
  }
}