Pith Number

pith:TWE64CDF

pith:2019:TWE64CDFWNUUDGKMOCVCRUTLRY

not attested not anchored not stored refs pending

Conformal wave equations for the Einstein-tracefree matter system

Adem E. Hursit, Diego A. Carranza, Juan A. Valiente Kroon

arxiv:1902.01816 v2 · 2019-02-05 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWE64CDFWNUUDGKMOCVCRUTLRY}

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	2026-05-17T23:40:39.053846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d89ee0865b36941994c70aa28d26b8e0e43bf9ba6eca1de8757f0a5e62f8f44

Aliases

arxiv: 1902.01816 · arxiv_version: 1902.01816v2 · doi: 10.48550/arxiv.1902.01816 · pith_short_12: TWE64CDFWNUU · pith_short_16: TWE64CDFWNUUDGKM · pith_short_8: TWE64CDF

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/TWE64CDFWNUUDGKMOCVCRUTLRY \
  | 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: 9d89ee0865b36941994c70aa28d26b8e0e43bf9ba6eca1de8757f0a5e62f8f44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feed61757118badbdbb6e4ccbefad6540f29240c57cfead15fea3cf69a43469c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-05T17:43:58Z",
    "title_canon_sha256": "2db5c291818c494e2c1a4cc50ca07a45b5b80fee50143c91f8c457321e4c95c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01816",
    "kind": "arxiv",
    "version": 2
  }
}