Pith Number

pith:E4NWQZKJ

pith:2017:E4NWQZKJKNKMFZGIUK7OSANVMJ

not attested not anchored not stored refs pending

Superintegrable systems on 3-dimensional curved spaces: Eisenhart formalism and separability

Francisco J. Herranz, Jose F. Cari\~nena, Manuel F. Ra\~nada

arxiv:1701.05783 v1 · 2017-01-20 · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4NWQZKJKNKMFZGIUK7OSANVMJ}

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	2026-05-18T00:51:06.818663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271b6865495354c2e4c8a2bee901b562736e2d69c1e61bf0511bce7c41ef5ea9

Aliases

arxiv: 1701.05783 · arxiv_version: 1701.05783v1 · doi: 10.48550/arxiv.1701.05783 · pith_short_12: E4NWQZKJKNKM · pith_short_16: E4NWQZKJKNKMFZGI · pith_short_8: E4NWQZKJ

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/E4NWQZKJKNKMFZGIUK7OSANVMJ \
  | 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: 271b6865495354c2e4c8a2bee901b562736e2d69c1e61bf0511bce7c41ef5ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b19d95493b06115bb5cdead07d3537e9d2dfb93ee5420c8d658720e499d1162c",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-01-20T12:58:02Z",
    "title_canon_sha256": "9357ba76efc6eaa035092ab8cba3a1c4fe63757baf932ef03fe590b15996b280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05783",
    "kind": "arxiv",
    "version": 1
  }
}