Pith Number

pith:EFU62GHS

pith:1998:EFU62GHSHFCV6O26R2KG2Z2K7R

not attested not anchored not stored refs pending

Stable characteristic evolution of generic 3-dimensional single-black-hole spacetimes

A.Abrahams, A.Anderson, A.Teukolsky, B.Szilagyi, C.Evans, D.Shoemaker, E.Seidel, F.Saied, G.Cook, G.Fox, J.Lenaghan, J.Masso, J.Winicour, J.W.York, K.Camarda, L.Finn, L.Kidder, L.Lehner, L.Rezzolla, L.Smarr, M.Choptuik, M.H.P.M.van Putten, M.Huq, M.Parashar, M.Rupright, M.Scheel, N.Bishop, P.Anninos, P.Laguna, P.Papadopoulos, P.Saylor, P.Walker, R.A.Matzner, R.Correl, R. Marsa, S.Brandt J.Browne, S.Klasky, S.Mitra, S.Shapiro, T.Baumgarte, T.Haupt, The Binary Black Hole Grand Challenge Alliance: R.Gomez, W.Landry

arxiv:gr-qc/9801069 v1 · 1998-01-20 · 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{EFU62GHSHFCV6O26R2KG2Z2K7R}

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	2026-05-18T03:47:41.599496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2169ed18f239455f3b5e8e946d674afc4f06b24e3a088883de5090b26c4e8036

Aliases

arxiv: gr-qc/9801069 · arxiv_version: gr-qc/9801069v1 · doi: 10.48550/arxiv.gr-qc/9801069 · pith_short_12: EFU62GHSHFCV · pith_short_16: EFU62GHSHFCV6O26 · pith_short_8: EFU62GHS

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/EFU62GHSHFCV6O26R2KG2Z2K7R \
  | 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: 2169ed18f239455f3b5e8e946d674afc4f06b24e3a088883de5090b26c4e8036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f7e7af0b38fcbfc7fe6fd47fc1a2b5cc0a61989c824f9875539bcb373a9d4a0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-01-20T22:07:31Z",
    "title_canon_sha256": "9a26d6be877438eace4c46828c70e281a515690b38c61a46d647709563f33bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9801069",
    "kind": "arxiv",
    "version": 1
  }
}