Pith Number

pith:SFB5ONJ5

pith:1996:SFB5ONJ5I7CEFLBDRZEWWS6WAD

not attested not anchored not stored refs pending

Finding Apparent Horizons in Dynamic 3D Numerical Spacetimes

E. Seidel, J. Libson, J. Mass\'o, K. Camarda, P. Anninos, W.-M. Suen

arxiv:gr-qc/9609059 v3 · 1996-09-25 · 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{SFB5ONJ5I7CEFLBDRZEWWS6WAD}

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	2026-05-18T01:09:17.622070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9143d7353d47c442ac238e496b4bd600ffbd8aa9303b87eaa1dab8a09b168d26

Aliases

arxiv: gr-qc/9609059 · arxiv_version: gr-qc/9609059v3 · doi: 10.48550/arxiv.gr-qc/9609059 · pith_short_12: SFB5ONJ5I7CE · pith_short_16: SFB5ONJ5I7CEFLBD · pith_short_8: SFB5ONJ5

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/SFB5ONJ5I7CEFLBDRZEWWS6WAD \
  | 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: 9143d7353d47c442ac238e496b4bd600ffbd8aa9303b87eaa1dab8a09b168d26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aefd3bd071a17a579e2c49d62cb64d8d21479e0d2aa3bd2b3a4e5c514e8be324",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-09-25T13:16:14Z",
    "title_canon_sha256": "5041b87ed6da3e0b154d04bac155e3d35fbfba2328a028973c554b2fae3d349c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9609059",
    "kind": "arxiv",
    "version": 3
  }
}