Pith Number

pith:4FPVQ6ZH

pith:2009:4FPVQ6ZHBVKGY6JCJ2F25XKTUD

not attested not anchored not stored refs pending

The Hamiltonian of Einstein affine-metric formulation of General Relativity

N. Kiriushcheva, S.V. Kuzmin

arxiv:0912.3396 v1 · 2009-12-17 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FPVQ6ZHBVKGY6JCJ2F25XKTUD}

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	2026-05-18T04:29:53.967568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15f587b270d546c79224e8baedd53a0e8a0b3a6425c84293f2885e704ce5b29

Aliases

arxiv: 0912.3396 · arxiv_version: 0912.3396v1 · doi: 10.48550/arxiv.0912.3396 · pith_short_12: 4FPVQ6ZHBVKG · pith_short_16: 4FPVQ6ZHBVKGY6JC · pith_short_8: 4FPVQ6ZH

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/4FPVQ6ZHBVKGY6JCJ2F25XKTUD \
  | 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: e15f587b270d546c79224e8baedd53a0e8a0b3a6425c84293f2885e704ce5b29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f9b83c2d03bfc7518eb47c0acfc6c75bd0b8aa62fa2ba0d12762038d543090",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-12-17T13:35:05Z",
    "title_canon_sha256": "12b1af2a8ee0d4a12a134c509618437c3a3ed0169946bbec6d8ad85fcb2446b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3396",
    "kind": "arxiv",
    "version": 1
  }
}