Pith Number

pith:37TJVQXJ

pith:2019:37TJVQXJL67ETJFHFVUXUG57BQ

not attested not anchored not stored refs pending

The Simple Equations Method (SEsM) and the use of exponential functions for obtaining simple and multisoliton solutions of some nonlinear partial differential equations

Nikolay K. Vitanov

arxiv:1909.00330 v1 · 2019-09-01 · 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{37TJVQXJL67ETJFHFVUXUG57BQ}

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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	2026-07-05T00:01:07.978970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe69ac2e95fbe49a4a72d697a1bbf0c23b9be1186d1f134906502b79bbf7f17

Aliases

arxiv: 1909.00330 · arxiv_version: 1909.00330v1 · doi: 10.48550/arxiv.1909.00330 · pith_short_12: 37TJVQXJL67E · pith_short_16: 37TJVQXJL67ETJFH · pith_short_8: 37TJVQXJ

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/37TJVQXJL67ETJFHFVUXUG57BQ \
  | 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: dfe69ac2e95fbe49a4a72d697a1bbf0c23b9be1186d1f134906502b79bbf7f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "545b19218dc8f20cd8fb12a1e5daf9a1ec21dd7d50581355ab55a193d17cadd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-09-01T06:20:18Z",
    "title_canon_sha256": "57f42579da8ae151a2b52eb5395eff1edf890eda24dde358534484d7beff760b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00330",
    "kind": "arxiv",
    "version": 1
  }
}