Pith Number

pith:77WUYW2E

pith:2017:77WUYW2E2U5DX3E6ENF4533TVW

not attested not anchored not stored refs pending

B\"acklund-Darboux Transformations and Discretizations of $N=2\; a=-2$ Supersymmetric KdV Equation

Hui Mao, Q.P. Liu

arxiv:1705.03997 v1 · 2017-05-11 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77WUYW2E2U5DX3E6ENF4533TVW}

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	2026-05-18T00:25:57.873171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffed4c5b44d53a3bec9e234bceef73ad9310249c2d8218bea4f6c34a29443892

Aliases

arxiv: 1705.03997 · arxiv_version: 1705.03997v1 · doi: 10.48550/arxiv.1705.03997 · pith_short_12: 77WUYW2E2U5D · pith_short_16: 77WUYW2E2U5DX3E6 · pith_short_8: 77WUYW2E

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/77WUYW2E2U5DX3E6ENF4533TVW \
  | 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: ffed4c5b44d53a3bec9e234bceef73ad9310249c2d8218bea4f6c34a29443892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8c11e35e344b5c13209b0467a8216c63eded449af1ce10f9c2e200c2551383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-05-11T03:29:29Z",
    "title_canon_sha256": "50410ee7896484355a6384519f607d06908ba6a86a2b2afe9e2f6415cbdf5b16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03997",
    "kind": "arxiv",
    "version": 1
  }
}