Pith Number

pith:NPTX6TIS

pith:2014:NPTX6TISQZVBSA42JU3YOGEILR

not attested not anchored not stored refs pending

Key Elements of Robustness in Binary Black Hole Evolutions using Spectral Methods

Bela Szilagyi

arxiv:1405.3693 v1 · 2014-05-14 · 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{NPTX6TISQZVBSA42JU3YOGEILR}

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	2026-05-18T02:51:50.037454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be77f4d12866a19039a4d378718885c75e070e25cb8a71b12e61e9f61975a12

Aliases

arxiv: 1405.3693 · arxiv_version: 1405.3693v1 · doi: 10.48550/arxiv.1405.3693 · pith_short_12: NPTX6TISQZVB · pith_short_16: NPTX6TISQZVBSA42 · pith_short_8: NPTX6TIS

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/NPTX6TISQZVBSA42JU3YOGEILR \
  | 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: 6be77f4d12866a19039a4d378718885c75e070e25cb8a71b12e61e9f61975a12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae937d28e5a652f2c395193bd4569402355b89857c2280bbdfb026eff6d31d0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-14T21:31:59Z",
    "title_canon_sha256": "7d0b75c06b257de7705489daa61cf7457d11c31221733f394f0453eefe5f1a4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3693",
    "kind": "arxiv",
    "version": 1
  }
}