Pith Number

pith:264CUYH6

pith:2004:264CUYH6JGAKOABY7LJSW3JWUO

not attested not anchored not stored refs pending

Generalized hyperbolic Ernst equations for an Einstein-Maxwell-Weyl field

Anastasios Tongas, Frank Nijhoff

arxiv:nlin/0401010 v2 · 2004-01-09 · nlin.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{264CUYH6JGAKOABY7LJSW3JWUO}

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	2026-05-18T01:05:21.893092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7b82a60fe4980a70038fad32b6d36a3a7884dd07cab4849dd1591035302a07b

Aliases

arxiv: nlin/0401010 · arxiv_version: nlin/0401010v2 · doi: 10.48550/arxiv.nlin/0401010 · pith_short_12: 264CUYH6JGAK · pith_short_16: 264CUYH6JGAKOABY · pith_short_8: 264CUYH6

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/264CUYH6JGAKOABY7LJSW3JWUO \
  | 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: d7b82a60fe4980a70038fad32b6d36a3a7884dd07cab4849dd1591035302a07b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "689de426ed140b8449596f3681ec6cb163542f786f73bc35efa2059cbce4c22a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2004-01-09T16:24:08Z",
    "title_canon_sha256": "7121784645b3efc4fe35b894880580cbb362a367a6d2fd4aca5a52ca0096de77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0401010",
    "kind": "arxiv",
    "version": 2
  }
}