Pith Number

pith:NOPT5QNG

pith:2018:NOPT5QNGPPJRJECKFETE57ADSM

not attested not anchored not stored refs pending

The conformal, complex and non-commutative structures of the Schwarzschild solution

George Sparling, Jonathan Holland

arxiv:1803.05037 v1 · 2018-03-13 · math-ph · gr-qc · 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{NOPT5QNGPPJRJECKFETE57ADSM}

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	2026-05-18T00:21:01.417686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9f3ec1a67bd314904a29264efc0393069188595eeb45478820fba01078f9a3

Aliases

arxiv: 1803.05037 · arxiv_version: 1803.05037v1 · doi: 10.48550/arxiv.1803.05037 · pith_short_12: NOPT5QNGPPJR · pith_short_16: NOPT5QNGPPJRJECK · pith_short_8: NOPT5QNG

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/NOPT5QNGPPJRJECKFETE57ADSM \
  | 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: 6b9f3ec1a67bd314904a29264efc0393069188595eeb45478820fba01078f9a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c118720f16b8fac5fad63b9810169a3cdadae379cfe693ce69ac2ae77489ded9",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-03-13T20:40:20Z",
    "title_canon_sha256": "8d1ded936308a6050c2db26400f0951a8e2804e57d0edb9ea4b37d428ed5de09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05037",
    "kind": "arxiv",
    "version": 1
  }
}