Pith Number

pith:HCDTRRIV

pith:2012:HCDTRRIVT3FXFWZ6HDOCV62SAL

not attested not anchored not stored refs pending

A Translation of the T. Levi-Civita paper: Interpretazione Gruppale degli Integrali di un Sistema Canonico Rend. Acc. Lincei, s. 3^a, vol. VII, 2^o sem. 1899, pp. 235--238

Giuseppe Saccomandi, Raffaele Vitolo

arxiv:1201.2388 v1 · 2012-01-11 · math.HO · math-ph · math.MP · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCDTRRIVT3FXFWZ6HDOCV62SAL}

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	2026-05-18T03:13:11.024361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

388738c5159ecb72db3e38dc2afb5202f137f99faf64b95a83806802f0fbcf26

Aliases

arxiv: 1201.2388 · arxiv_version: 1201.2388v1 · doi: 10.48550/arxiv.1201.2388 · pith_short_12: HCDTRRIVT3FX · pith_short_16: HCDTRRIVT3FXFWZ6 · pith_short_8: HCDTRRIV

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/HCDTRRIVT3FXFWZ6HDOCV62SAL \
  | 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: 388738c5159ecb72db3e38dc2afb5202f137f99faf64b95a83806802f0fbcf26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089f06b9c739b0d169f055dcb45a440f60eaa4cb8145e64db2ddcf71002fac20",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-01-11T19:59:01Z",
    "title_canon_sha256": "68bdb0a75751361a65e6822b7b6466ab45f0c57025734774e477f7d399ccbeb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2388",
    "kind": "arxiv",
    "version": 1
  }
}