Pith Number

pith:EV6XYYKU

pith:2021:EV6XYYKU7I7SRAVJ2HWBCUGRHA

not attested not anchored not stored refs pending

$N$-double poles solutions for nonlocal Hirota equation with nonzero boundary conditions using Riemann-Hilbert method and PINN algorithm

Wei-Qi Peng, Yong Chen

arxiv:2111.12424 v2 · 2021-11-24 · nlin.SI · math-ph · 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{EV6XYYKU7I7SRAVJ2HWBCUGRHA}

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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	2026-07-05T04:19:48.752822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257d7c6154fa3f2882a9d1ec1150d1383957a57bf16a201f1d5f1aca4251b347

Aliases

arxiv: 2111.12424 · arxiv_version: 2111.12424v2 · doi: 10.48550/arxiv.2111.12424 · pith_short_12: EV6XYYKU7I7S · pith_short_16: EV6XYYKU7I7SRAVJ · pith_short_8: EV6XYYKU

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/EV6XYYKU7I7SRAVJ2HWBCUGRHA \
  | 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: 257d7c6154fa3f2882a9d1ec1150d1383957a57bf16a201f1d5f1aca4251b347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "773662d1b323e0941ca14049c596a5a11d3da6a24ba3544dff1c78711ddd9f6d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2021-11-24T11:11:15Z",
    "title_canon_sha256": "ffccde17520793bf11c3addf4563e113954d6b3eb423f2438b2c99e696c8ead4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12424",
    "kind": "arxiv",
    "version": 2
  }
}