Pith Number

pith:6FES6WDH

pith:2015:6FES6WDHYNK4IPFGQQ4UYYQXTZ

not attested not anchored not stored refs pending

Computing the Maslov index from singularities of a matrix Riccati equation

Thomas McCauley

arxiv:1510.03736 v2 · 2015-10-13 · math.DS · 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{6FES6WDHYNK4IPFGQQ4UYYQXTZ}

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	2026-05-18T01:28:45.267948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1492f5867c355c43ca684394c62179e5e7a625fcbfd98b36ca18291366d7011

Aliases

arxiv: 1510.03736 · arxiv_version: 1510.03736v2 · doi: 10.48550/arxiv.1510.03736 · pith_short_12: 6FES6WDHYNK4 · pith_short_16: 6FES6WDHYNK4IPFG · pith_short_8: 6FES6WDH

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/6FES6WDHYNK4IPFGQQ4UYYQXTZ \
  | 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: f1492f5867c355c43ca684394c62179e5e7a625fcbfd98b36ca18291366d7011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ddb6fb83c568ee901ae5ad5f89b56dbac688f8e1bb1ea932188d8c1cbb43813",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-10-13T15:17:47Z",
    "title_canon_sha256": "e26e7d81e663214565a2650bb5c53d1bf1f4af0360c5a7750e2776fcc7c558e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03736",
    "kind": "arxiv",
    "version": 2
  }
}