pith. sign in
Pith Number

pith:V2HZZYE6

pith:2009:V2HZZYE6WZB3KD6M6X7DOL35RY
not attested not anchored not stored refs pending

Further Extended Theories of Gravitation: Part I

L. Fatibene, M. Di Mauro, M. Ferraris, M. Francaviglia

arxiv:0911.2841 v2 · 2009-11-15 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{V2HZZYE6WZB3KD6M6X7DOL35RY}

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 2026-05-18T04:32:09.650619Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ae8f9ce09eb643b50fccf5fe372f7d8e30a2a1bd7ec394b8f179b0fdd3c6e387

Aliases

arxiv: 0911.2841 · arxiv_version: 0911.2841v2 · doi: 10.48550/arxiv.0911.2841 · pith_short_12: V2HZZYE6WZB3 · pith_short_16: V2HZZYE6WZB3KD6M · pith_short_8: V2HZZYE6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/V2HZZYE6WZB3KD6M6X7DOL35RY \
  | 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: ae8f9ce09eb643b50fccf5fe372f7d8e30a2a1bd7ec394b8f179b0fdd3c6e387
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "04491a528b234f46841bca571243a8a73cc89df1f354c24c66117af962447086",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-11-15T08:59:18Z",
    "title_canon_sha256": "97b28aa9242fd1cfe882553240be4d9a043efcc217120a6485b775727320fa8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2841",
    "kind": "arxiv",
    "version": 2
  }
}