Pith Number

pith:K7HEF22G

pith:2023:K7HEF22GZLEQDVZNS3QI3VMKS7

not attested not anchored not stored refs pending

Legendrian invariants and half Giroux torsion

Alberto Cavallo, Irena Matkovi\v{c}

arxiv:2310.07593 v2 · 2023-10-11 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7HEF22GZLEQDVZNS3QI3VMKS7}

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.

Cited by

1 paper in Pith

Bordered contact invariants and half Giroux torsion

Receipt and verification

First computed	2026-07-05T07:16:01.172929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57ce42eb46cac901d72d96e08dd58a97d81d5e6a318ab3b6205a38ec1f562bff

Aliases

arxiv: 2310.07593 · arxiv_version: 2310.07593v2 · doi: 10.48550/arxiv.2310.07593 · pith_short_12: K7HEF22GZLEQ · pith_short_16: K7HEF22GZLEQDVZN · pith_short_8: K7HEF22G

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/K7HEF22GZLEQDVZNS3QI3VMKS7 \
  | 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: 57ce42eb46cac901d72d96e08dd58a97d81d5e6a318ab3b6205a38ec1f562bff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60f2e74c742378c9c7ea290641ec7adc46c388e2e29d9e5823d9406d10139096",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-10-11T15:36:05Z",
    "title_canon_sha256": "388d2e7e2d20039f7c3c6ba7ec9ed7ba7e8f457736ace9990bcd07f03734b5aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.07593",
    "kind": "arxiv",
    "version": 2
  }
}