Pith Number

pith:LZPYU3EJ

pith:2012:LZPYU3EJSYFMENXITY6XZWBSLV

not attested not anchored not stored refs pending

Legendrian Ambient Surgery and Legendrian Contact Homology

Georgios Dimitroglou Rizell

arxiv:1205.5544 v6 · 2012-05-24 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZPYU3EJSYFMENXITY6XZWBSLV}

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	2026-05-18T01:00:03.329618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e5f8a6c89960ac236e89e3d7cd8325d49d2ccde4ac361a894f6c3d2a096a2cc

Aliases

arxiv: 1205.5544 · arxiv_version: 1205.5544v6 · doi: 10.48550/arxiv.1205.5544 · pith_short_12: LZPYU3EJSYFM · pith_short_16: LZPYU3EJSYFMENXI · pith_short_8: LZPYU3EJ

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/LZPYU3EJSYFMENXITY6XZWBSLV \
  | 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: 5e5f8a6c89960ac236e89e3d7cd8325d49d2ccde4ac361a894f6c3d2a096a2cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1adfb890b80900f03952fdd61a19dee7a4faa8176afafe3fd5936e6179980e19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2012-05-24T19:47:03Z",
    "title_canon_sha256": "f73ebef50231c9c435430356b8e28cfd1b4df131d5d22d2d50a39a31f2b7cacd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5544",
    "kind": "arxiv",
    "version": 6
  }
}