Pith Number

pith:PGMQCFVH

pith:2000:PGMQCFVH5LXLX4QRMFKCWDROB4

not attested not anchored not stored refs pending

Einstein and the Kaluza-Klein particle

Jeroen van Dongen

arxiv:gr-qc/0009087 v1 · 2000-09-26 · gr-qc · hep-ph · hep-th · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGMQCFVH5LXLX4QRMFKCWDROB4}

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	2026-07-04T15:29:19.709341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055

Aliases

arxiv: gr-qc/0009087 · arxiv_version: gr-qc/0009087v1 · doi: 10.48550/arxiv.gr-qc/0009087 · pith_short_12: PGMQCFVH5LXL · pith_short_16: PGMQCFVH5LXLX4QR · pith_short_8: PGMQCFVH

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/PGMQCFVH5LXLX4QRMFKCWDROB4 \
  | 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: 79990116a7eaeebbf21161542b0e2e0f10d3f6a6f31c50d0f638245b781db055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc154062f0f0de512fc0e50a62b6e3723f28e48f1bbc5c2664a158702737f5f",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th",
      "physics.hist-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-09-26T21:24:21Z",
    "title_canon_sha256": "cca13122080c321daf60f5a9e3751ba5a73f31386ab1fc188085d6c2ee6e543f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0009087",
    "kind": "arxiv",
    "version": 1
  }
}