Pith Number

pith:UO4F6HZD

pith:2017:UO4F6HZDFO5RODMFSM6FJUAPIE

not attested not anchored not stored refs pending

Solitary wave solutions of nonlinear partial differential equations based on the simplest equation for the function $1/\cosh^n$

Nikolay K. Vitanov, Tsvetelina I. Ivanova, Zlatinka I. Dimitrova

arxiv:1708.01901 v1 · 2017-08-06 · 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{UO4F6HZDFO5RODMFSM6FJUAPIE}

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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	2026-05-18T00:38:32.809682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b85f1f232bbb170d85933c54d00f41263c562cd34ec4929e681dbfb72c3e39

Aliases

arxiv: 1708.01901 · arxiv_version: 1708.01901v1 · doi: 10.48550/arxiv.1708.01901 · pith_short_12: UO4F6HZDFO5R · pith_short_16: UO4F6HZDFO5RODMF · pith_short_8: UO4F6HZD

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/UO4F6HZDFO5RODMFSM6FJUAPIE \
  | 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: a3b85f1f232bbb170d85933c54d00f41263c562cd34ec4929e681dbfb72c3e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf47af180ba404d55c017c5cdc622cc4f5f1d2f348737a7e9797d2ea62ac0c8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-08-06T15:22:30Z",
    "title_canon_sha256": "0ae4f85b02db08f62f5311210a4c89c06d0ebb82fcac3082f9620b7d077d0473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01901",
    "kind": "arxiv",
    "version": 1
  }
}