Pith Number

pith:QR3LWJEU

pith:2017:QR3LWJEURBQLBL227YWM54IT3M

not attested not anchored not stored refs pending

B\"acklund transformations of $Z_n$-Sine-Gordon systems

Chuanzhong Li, Xueping Yang

arxiv:1704.04412 v1 · 2017-04-14 · 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{QR3LWJEURBQLBL227YWM54IT3M}

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	2026-05-18T00:38:55.498511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8476bb24948860b0af5afe2ccef113db1207218e87e6ce9fa53693efd09f1198

Aliases

arxiv: 1704.04412 · arxiv_version: 1704.04412v1 · doi: 10.48550/arxiv.1704.04412 · pith_short_12: QR3LWJEURBQL · pith_short_16: QR3LWJEURBQLBL22 · pith_short_8: QR3LWJEU

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/QR3LWJEURBQLBL227YWM54IT3M \
  | 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: 8476bb24948860b0af5afe2ccef113db1207218e87e6ce9fa53693efd09f1198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70665d0572b21cc953e4ba80c3fb225f105cfa5b4ce9caefdff2fa0d60a9ed2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-04-14T13:08:06Z",
    "title_canon_sha256": "9a585be1cf29ef5df994d67407dc099cf78e650b83e80d6370b748dee8e1c7d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04412",
    "kind": "arxiv",
    "version": 1
  }
}