Pith Number

pith:2G3OL6MQ

pith:2004:2G3OL6MQMURCHTHNY5Q44BSSLC

not attested not anchored not stored refs pending

Finite differencing second order systems describing black hole spacetimes

Gioel Calabrese

arxiv:gr-qc/0410062 v1 · 2004-10-14 · 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{2G3OL6MQMURCHTHNY5Q44BSSLC}

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	2026-05-18T01:06:47.202053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b6e5f990652223ccedc761ce065258adc7cdb330dbe9ffc3859bebc1b1d1fd

Aliases

arxiv: gr-qc/0410062 · arxiv_version: gr-qc/0410062v1 · doi: 10.48550/arxiv.gr-qc/0410062 · pith_short_12: 2G3OL6MQMURC · pith_short_16: 2G3OL6MQMURCHTHN · pith_short_8: 2G3OL6MQ

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/2G3OL6MQMURCHTHNY5Q44BSSLC \
  | 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: d1b6e5f990652223ccedc761ce065258adc7cdb330dbe9ffc3859bebc1b1d1fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "107e45b96d9b72a7a23196ebc34449abea264438c342b00fd39d263e4439af63",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-10-14T21:09:48Z",
    "title_canon_sha256": "5a077c5b4f8cafcd6d2a7b406b9d162c18f7300b2f6de5260a38862ca800dd4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0410062",
    "kind": "arxiv",
    "version": 1
  }
}