Pith Number

pith:OLU7MDCK

pith:2005:OLU7MDCKHJ6A6GLLAJPP5YF5CN

not attested not anchored not stored refs pending

A canonical formalism of f(T)-type gravity in terms of Lie derivatives

H.Iwasaki, N.Yamada, S.Watanabe, T.Yano, Y.Ezawa, Y.Ohkuwa

arxiv:gr-qc/0507060 v2 · 2005-07-14 · 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{OLU7MDCKHJ6A6GLLAJPP5YF5CN}

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	2026-05-18T02:37:27.545981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e9f60c4a3a7c0f196b025efee0bd135b22f73d237abd5c39b0a030a1956e82

Aliases

arxiv: gr-qc/0507060 · arxiv_version: gr-qc/0507060v2 · doi: 10.48550/arxiv.gr-qc/0507060 · pith_short_12: OLU7MDCKHJ6A · pith_short_16: OLU7MDCKHJ6A6GLL · pith_short_8: OLU7MDCK

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/OLU7MDCKHJ6A6GLLAJPP5YF5CN \
  | 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: 72e9f60c4a3a7c0f196b025efee0bd135b22f73d237abd5c39b0a030a1956e82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f14ef8565fa2897baf4ba4fb13e2301b21fe46a48221a0462fcf857188efb4bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-07-14T08:43:28Z",
    "title_canon_sha256": "b05a5df1f90a876008c92bd4cf1255384b4abafa14b4e51390a7f1f1ef2341e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0507060",
    "kind": "arxiv",
    "version": 2
  }
}