pith. sign in
Pith Number

pith:WHQSKRCN

pith:2017:WHQSKRCNEDKTWCWKJJXHBVWRNK
not attested not anchored not stored refs pending

The Perlick system type I: from the algebra of symmetries to the geometry of the trajectories

J. Negro, O. Ragnisco, S. Kuru

arxiv:1705.04618 v1 · 2017-05-12 · math-ph · math.MP · physics.class-ph

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

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 2026-05-18T00:33:18.256454Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b1e125444d20d53b0aca4a6e70d6d16a83bad928e28c0f3ce92f2fcb8c3f5b20

Aliases

arxiv: 1705.04618 · arxiv_version: 1705.04618v1 · doi: 10.48550/arxiv.1705.04618 · pith_short_12: WHQSKRCNEDKT · pith_short_16: WHQSKRCNEDKTWCWK · pith_short_8: WHQSKRCN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WHQSKRCNEDKTWCWKJJXHBVWRNK \
  | 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: b1e125444d20d53b0aca4a6e70d6d16a83bad928e28c0f3ce92f2fcb8c3f5b20
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "41b6a23e06ab030105984be873c4f0c6fcccb5a751ba76a5d7db5e812cb41445",
    "cross_cats_sorted": [
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-05-12T15:14:17Z",
    "title_canon_sha256": "3027478b099e51dfe2630fcd70dc08a23ef08e7936b214332944b91ed3566a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04618",
    "kind": "arxiv",
    "version": 1
  }
}