Pith Number

pith:XIM524MR

pith:2008:XIM524MRU22FWICOHZ6SEGPN3S

not attested not anchored not stored refs pending

On canonical transformations between equivalent Hamiltonian formulations of General Relativity

A.M. Frolov, N. Kiriushcheva, S.V. Kuzmin

arxiv:0809.1198 v2 · 2008-09-07 · 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{XIM524MRU22FWICOHZ6SEGPN3S}

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	2026-05-18T04:18:22.632050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba19dd7191a6b45b204e3e7d2219eddcb16d721f1bf3e49152a3dc144b3ef5d3

Aliases

arxiv: 0809.1198 · arxiv_version: 0809.1198v2 · doi: 10.48550/arxiv.0809.1198 · pith_short_12: XIM524MRU22F · pith_short_16: XIM524MRU22FWICO · pith_short_8: XIM524MR

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/XIM524MRU22FWICOHZ6SEGPN3S \
  | 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: ba19dd7191a6b45b204e3e7d2219eddcb16d721f1bf3e49152a3dc144b3ef5d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef1b4754f6576f093d745b4ae5c05f3ac39950e533df0fc1b0209e598cf7ee5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-09-07T00:34:09Z",
    "title_canon_sha256": "450b036ae3ccfe64acb06e1f6bdedb573bc3ce2e03c86e31fd26369f9d6d8ca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1198",
    "kind": "arxiv",
    "version": 2
  }
}