Pith Number

pith:VRJ3NL3A

pith:2018:VRJ3NL3AMFVOQ5REUITO47GROG

not attested not anchored not stored refs pending

Noether Symmetries as a geometric criterion to select theories of gravity

Konstantinos F. Dialektopoulos, Salvatore Capozziello

arxiv:1808.03484 v2 · 2018-08-10 · gr-qc · 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{VRJ3NL3AMFVOQ5REUITO47GROG}

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	2026-05-18T00:05:04.560356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac53b6af60616ae87624a226ee7cd1719a5e59e0981645a4e96e3f44ddb568b8

Aliases

arxiv: 1808.03484 · arxiv_version: 1808.03484v2 · doi: 10.48550/arxiv.1808.03484 · pith_short_12: VRJ3NL3AMFVO · pith_short_16: VRJ3NL3AMFVOQ5RE · pith_short_8: VRJ3NL3A

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/VRJ3NL3AMFVOQ5REUITO47GROG \
  | 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: ac53b6af60616ae87624a226ee7cd1719a5e59e0981645a4e96e3f44ddb568b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd60cd00ea6c24607f9f10185c93b628c98f6d69703e3c8b1bd9b941530d04a7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-10T10:57:14Z",
    "title_canon_sha256": "3d5424616e8c441b845d537d4042d030bb6064a7307ddc0690fb094ed0675673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03484",
    "kind": "arxiv",
    "version": 2
  }
}