Pith Number

pith:XO4HHDWR

pith:2015:XO4HHDWRM6ZDIW6Y4GIX7TR275

not attested not anchored not stored refs pending

Darboux transformations for differential operators on the superline

Ekaterina Shemyakova, Sean Hill, Theodore Voronov

arxiv:1505.05194 v1 · 2015-05-19 · math-ph · math.CA · math.DG · math.DS · 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{XO4HHDWRM6ZDIW6Y4GIX7TR275}

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	2026-05-18T00:39:48.224799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbb8738ed167b2345bd8e1917fce3aff7fcdd9a5c79fdc0ad6b6088107489f87

Aliases

arxiv: 1505.05194 · arxiv_version: 1505.05194v1 · doi: 10.48550/arxiv.1505.05194 · pith_short_12: XO4HHDWRM6ZD · pith_short_16: XO4HHDWRM6ZDIW6Y · pith_short_8: XO4HHDWR

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/XO4HHDWRM6ZDIW6Y4GIX7TR275 \
  | 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: bbb8738ed167b2345bd8e1917fce3aff7fcdd9a5c79fdc0ad6b6088107489f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19aef48a4922b501418f45b76d6a733f808851a982704678ed6b47ee373f4448",
    "cross_cats_sorted": [
      "math.CA",
      "math.DG",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-05-19T21:30:28Z",
    "title_canon_sha256": "65168d691a3b6a60857b942fd84737ad59e0ac1906988efbe170973a10c21e26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05194",
    "kind": "arxiv",
    "version": 1
  }
}