Pith Number

pith:EGZF47TD

pith:2009:EGZF47TDQSYTCXMQORSLMBOD2L

not attested not anchored not stored refs pending

Long term black hole evolution with the BSSN system by pseudospectral methods

Wolfgang Tichy

arxiv:0911.0973 v2 · 2009-11-05 · 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{EGZF47TDQSYTCXMQORSLMBOD2L}

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

Eccentricity reduction of binary neutron star initial data with the entropy based flux limiting scheme

Receipt and verification

First computed	2026-07-04T17:29:12.060130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b25e7e6384b1315d907464b605c3d2ec146721c55e0dfe84d4c7c41c1537ca

Aliases

arxiv: 0911.0973 · arxiv_version: 0911.0973v2 · doi: 10.48550/arxiv.0911.0973 · pith_short_12: EGZF47TDQSYT · pith_short_16: EGZF47TDQSYTCXMQ · pith_short_8: EGZF47TD

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/EGZF47TDQSYTCXMQORSLMBOD2L \
  | 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: 21b25e7e6384b1315d907464b605c3d2ec146721c55e0dfe84d4c7c41c1537ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7b56fb5c286b07ecde6f3fd7df2aa568a857f06a5dd40707b0a98e6cae12ba2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-11-05T04:50:49Z",
    "title_canon_sha256": "b5a674de6ae325ea406210afeea2665bd6a001141bb9e50321b53997b1c3db1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0973",
    "kind": "arxiv",
    "version": 2
  }
}