Pith Number

pith:K7F2Q6ZI

pith:2018:K7F2Q6ZIAMJH2QCOBTOPA6WJDZ

not attested not anchored not stored refs pending

On solutions of a Boussinesq-type equation with displacement-dependent nonlinearity: a soliton doublet

J\"uri Engelbrecht, Kert Tamm, P\"aivo Simson, Tanel Peets

arxiv:1806.10334 v1 · 2018-06-27 · nlin.PS · math-ph · math.AP · 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{K7F2Q6ZIAMJH2QCOBTOPA6WJDZ}

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	2026-05-18T00:00:52.830736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57cba87b2803127d404e0cdcf07ac91e6dbe9450b860380d4742c21f5d748945

Aliases

arxiv: 1806.10334 · arxiv_version: 1806.10334v1 · doi: 10.48550/arxiv.1806.10334 · pith_short_12: K7F2Q6ZIAMJH · pith_short_16: K7F2Q6ZIAMJH2QCO · pith_short_8: K7F2Q6ZI

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/K7F2Q6ZIAMJH2QCOBTOPA6WJDZ \
  | 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: 57cba87b2803127d404e0cdcf07ac91e6dbe9450b860380d4742c21f5d748945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59694ac57f0fa175941b6b5db95a49785827ad3109468f29e96ed5a221b935d4",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2018-06-27T08:20:54Z",
    "title_canon_sha256": "1aad6d1183acaca8226c60545d12cb82d865ff3b8ed481cdd0dcc246c2bb49f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10334",
    "kind": "arxiv",
    "version": 1
  }
}