Pith Number

pith:4EVIK7EB

pith:2019:4EVIK7EBZUVI7ZCNYN7CIXY33X

not attested not anchored not stored refs pending

$\mathcal{I}$-Preserving Diffeomorphisms of Lorentzian Manifolds

D. D. McNutt, M. T. Aadne

arxiv:1901.04728 v2 · 2019-01-15 · gr-qc · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EVIK7EBZUVI7ZCNYN7CIXY33X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:48:39.575103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12a857c81cd2a8fe44dc37e245f1bddd6bfb97c80e2a7c95932e8e9b5af8708

Aliases

arxiv: 1901.04728 · arxiv_version: 1901.04728v2 · doi: 10.48550/arxiv.1901.04728 · pith_short_12: 4EVIK7EBZUVI · pith_short_16: 4EVIK7EBZUVI7ZCN · pith_short_8: 4EVIK7EB

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/4EVIK7EBZUVI7ZCNYN7CIXY33X \
  | 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: e12a857c81cd2a8fe44dc37e245f1bddd6bfb97c80e2a7c95932e8e9b5af8708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d70fa1cf96803a078784cc21c4303f5373d948460438f2b194a9cbcf97fe21f",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-15T09:34:20Z",
    "title_canon_sha256": "5baed2dbd97c5e39eebba3b080796df9ec912caac9479c49719799567f26d3d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04728",
    "kind": "arxiv",
    "version": 2
  }
}