Pith Number

pith:KX5GTSOC

pith:2019:KX5GTSOCUA3NDWGP223PBH5IA2

not attested not anchored not stored refs pending

Beyond Einstein: A Polynomial Affine Model of Gravity

Oscar Castillo-Felisola

arxiv:1902.09131 v1 · 2019-02-25 · gr-qc · hep-th · 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{KX5GTSOCUA3NDWGP223PBH5IA2}

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	2026-05-17T23:52:46.562355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55fa69c9c2a036d1d8cfd6b6f09fa806afea9be66e939626f4b55ae37d2e5057

Aliases

arxiv: 1902.09131 · arxiv_version: 1902.09131v1 · doi: 10.48550/arxiv.1902.09131 · pith_short_12: KX5GTSOCUA3N · pith_short_16: KX5GTSOCUA3NDWGP · pith_short_8: KX5GTSOC

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/KX5GTSOCUA3NDWGP223PBH5IA2 \
  | 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: 55fa69c9c2a036d1d8cfd6b6f09fa806afea9be66e939626f4b55ae37d2e5057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b21b2b99ba99d987733c61f6e6e600d034dfab6f5fb21790121aad87eeadf90d",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-25T08:11:36Z",
    "title_canon_sha256": "697667418952d0f3f800f411898aa98c9af02fbcf8f4a5b77397c5e2be1ba8d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09131",
    "kind": "arxiv",
    "version": 1
  }
}