Pith Number

pith:RVGZ45LF

pith:2004:RVGZ45LFAJRI73PU7KB4BLXICB

not attested not anchored not stored refs pending

Strongly hyperbolic systems in General Relativity

Oscar Reula

arxiv:gr-qc/0403007 v1 · 2004-03-01 · 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{RVGZ45LFAJRI73PU7KB4BLXICB}

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	2026-05-18T00:38:36.969149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d4d9e756502628fedf4fa83c0aee8106a71906d90da971f95dd8f3abd6068a1

Aliases

arxiv: gr-qc/0403007 · arxiv_version: gr-qc/0403007v1 · doi: 10.48550/arxiv.gr-qc/0403007 · pith_short_12: RVGZ45LFAJRI · pith_short_16: RVGZ45LFAJRI73PU · pith_short_8: RVGZ45LF

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/RVGZ45LFAJRI73PU7KB4BLXICB \
  | 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: 8d4d9e756502628fedf4fa83c0aee8106a71906d90da971f95dd8f3abd6068a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e71263e15fbb785e8f3dcecd2ea89c023b8e2f3aa0e1f698543a90d185ca0826",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-03-01T16:08:31Z",
    "title_canon_sha256": "aaf3fce29de7d63b3240005058d6079f32a7ceeb0d5e1257aca3751977344ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0403007",
    "kind": "arxiv",
    "version": 1
  }
}