Pith Number

pith:LPQ5VKQK

pith:2018:LPQ5VKQKFLCSYJYM2O3S2SMJLW

not attested not anchored not stored refs pending

Symplectic reduction of Sasakian manifolds

Georg Schumacher, Indranil Biswas

arxiv:1804.03685 v2 · 2018-04-09 · math.DG · 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{LPQ5VKQKFLCSYJYM2O3S2SMJLW}

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	2026-05-18T00:03:32.071732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be1daaa0a2ac52c270cd3b72d49895da521916b4c3c3aac7d81646d90033ce0

Aliases

arxiv: 1804.03685 · arxiv_version: 1804.03685v2 · doi: 10.48550/arxiv.1804.03685 · pith_short_12: LPQ5VKQKFLCS · pith_short_16: LPQ5VKQKFLCSYJYM · pith_short_8: LPQ5VKQK

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/LPQ5VKQKFLCSYJYM2O3S2SMJLW \
  | 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: 5be1daaa0a2ac52c270cd3b72d49895da521916b4c3c3aac7d81646d90033ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3c20716c1713872922b57e4936e55ec96c231cddc11a6a10d9791838bb9ed4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-04-09T17:30:55Z",
    "title_canon_sha256": "14eec02d23ed4f8fe4972d4b1fdd446f39a3d3ba46ac73b54220cd318a1c1e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03685",
    "kind": "arxiv",
    "version": 2
  }
}