Pith Number

pith:EFV4L6K5

pith:2012:EFV4L6K5NUVHCTUFG5JSSN5QDI

not attested not anchored not stored refs pending

A Scalar Field and the Einstein Vacuum in Modern Kaluza-Klein Theory

James M. Overduin, Paul S. Wesson

arxiv:1209.5703 v2 · 2012-09-23 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFV4L6K5NUVHCTUFG5JSSN5QDI}

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	2026-05-18T03:35:27.912489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

216bc5f95d6d2a714e8537532937b01a3155146119b0c5d74ce8725789a60e78

Aliases

arxiv: 1209.5703 · arxiv_version: 1209.5703v2 · doi: 10.48550/arxiv.1209.5703 · pith_short_12: EFV4L6K5NUVH · pith_short_16: EFV4L6K5NUVHCTUF · pith_short_8: EFV4L6K5

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/EFV4L6K5NUVHCTUFG5JSSN5QDI \
  | 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: 216bc5f95d6d2a714e8537532937b01a3155146119b0c5d74ce8725789a60e78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d454b6ec3511f6cfb6151911bacf7255a05f77d526980a0e45010adc3fbd9e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-23T22:41:41Z",
    "title_canon_sha256": "df5d94bb7a4b9e13c491145a8729f91fcd2d7411f2653cf6726033fd4c68ea1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5703",
    "kind": "arxiv",
    "version": 2
  }
}