pith. sign in
Pith Number

pith:6HHHAG32

pith:2017:6HHHAG32X5SOF4DF3EI2RCXC5S
not attested not anchored not stored refs pending

Lie-B\"acklund symmetry and non-invariant solutions of nonlinear evolution equations

Ivan M. Tsyfra, Vsevolod A. Vladimirov, Wojciech Rzeszut

arxiv:1701.03722 v1 · 2017-01-13 · math.AP · math-ph · math.MP · nlin.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6HHHAG32X5SOF4DF3EI2RCXC5S}

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 2026-05-18T00:52:54.055867Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f1ce701b7abf64e2f065d911a88ae2ec824e6d4e3dc4121a393ab763f446fd42

Aliases

arxiv: 1701.03722 · arxiv_version: 1701.03722v1 · doi: 10.48550/arxiv.1701.03722 · pith_short_12: 6HHHAG32X5SO · pith_short_16: 6HHHAG32X5SOF4DF · pith_short_8: 6HHHAG32
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6HHHAG32X5SOF4DF3EI2RCXC5S \
  | 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: f1ce701b7abf64e2f065d911a88ae2ec824e6d4e3dc4121a393ab763f446fd42
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fee5246348ab5d759fbcd67dd24efc7fb323fcc738fbb4b2c0782520313ccb6b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-13T16:52:46Z",
    "title_canon_sha256": "d4254dbdfba6bcfd05dcea83f46440663838146af2a825fce24536c661443a88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03722",
    "kind": "arxiv",
    "version": 1
  }
}