Pith Number

pith:UM4PPRM2

pith:2025:UM4PPRM2YOLME7YFA3HFYCH7ZG

not attested not anchored not stored refs pending

Newman-Penrose-like exact and approximate conservation laws: a covariant and conformal formulation

Berend Schneider

arxiv:2507.02237 v1 · 2025-07-03 · 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{UM4PPRM2YOLME7YFA3HFYCH7ZG}

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

Newman-Penrose-like exact and approximate conservation laws: a covariant and conformal formulation

Receipt and verification

First computed	2026-07-05T11:31:14.269348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a338f7c59ac396c27f0506ce5c08ffc9ae1edc4281ffda7a44461ca95ea6a758

Aliases

arxiv: 2507.02237 · arxiv_version: 2507.02237v1 · doi: 10.48550/arxiv.2507.02237 · pith_short_12: UM4PPRM2YOLM · pith_short_16: UM4PPRM2YOLME7YF · pith_short_8: UM4PPRM2

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/UM4PPRM2YOLME7YFA3HFYCH7ZG \
  | 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: a338f7c59ac396c27f0506ce5c08ffc9ae1edc4281ffda7a44461ca95ea6a758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d0a32eb301198ba7cdcfad16f4ee8b0c31ceda73c059363b13d6737221c175",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-07-03T02:12:52Z",
    "title_canon_sha256": "4a836f06b8cd5e8e6508f52f00c154755f48560ca7ed8de740625a11fd8b5e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02237",
    "kind": "arxiv",
    "version": 1
  }
}