Pith Number

pith:5SPQAKDI

pith:2013:5SPQAKDIFIG5ED3EWV7EZCYPAN

not attested not anchored not stored refs pending

The Normal Form Theorem around Poisson Transversals

Ioan Marcut, Pedro Frejlich

arxiv:1306.6055 v3 · 2013-06-25 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SPQAKDIFIG5ED3EWV7EZCYPAN}

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	2026-05-18T00:46:43.469453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9f0028682a0dd20f64b57e4c8b0f0340910d46d22a0d1795971cd74c3dffe1

Aliases

arxiv: 1306.6055 · arxiv_version: 1306.6055v3 · doi: 10.48550/arxiv.1306.6055 · pith_short_12: 5SPQAKDIFIG5 · pith_short_16: 5SPQAKDIFIG5ED3E · pith_short_8: 5SPQAKDI

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/5SPQAKDIFIG5ED3EWV7EZCYPAN \
  | 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: ec9f0028682a0dd20f64b57e4c8b0f0340910d46d22a0d1795971cd74c3dffe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9047040580f4a003af6a950939e99ef98f161c5ccde8fc5aceebc1eb33ef07e",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2013-06-25T18:30:31Z",
    "title_canon_sha256": "d0fafbf54d5d631815769daa12d9fb5eb5edd8ac7a925d98c948a39f42b55c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6055",
    "kind": "arxiv",
    "version": 3
  }
}