Pith Number

pith:EIF5SK2L

pith:2013:EIF5SK2LTH6JTOP2GYE4RZFPLG

not attested not anchored not stored refs pending

Real solutions to the nonlinear Helmholtz equation with local nonlinearity

Gilles Evequoz, Tobias Weth

arxiv:1302.0530 v3 · 2013-02-03 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIF5SK2LTH6JTOP2GYE4RZFPLG}

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	2026-05-18T01:51:50.985126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

220bd92b4b99fc99b9fa3609c8e4af598eb659740caa6e98b0626083a351dd8e

Aliases

arxiv: 1302.0530 · arxiv_version: 1302.0530v3 · doi: 10.48550/arxiv.1302.0530 · pith_short_12: EIF5SK2LTH6J · pith_short_16: EIF5SK2LTH6JTOP2 · pith_short_8: EIF5SK2L

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/EIF5SK2LTH6JTOP2GYE4RZFPLG \
  | 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: 220bd92b4b99fc99b9fa3609c8e4af598eb659740caa6e98b0626083a351dd8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efdb76e72c8b4415070862cecdaf776cf039ddd27634ab5e760f49c4be8f371",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-02-03T20:20:11Z",
    "title_canon_sha256": "661ad530c76806ade938611c1f691f9070b7bf6343fc02ef9721b446cfbe302f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0530",
    "kind": "arxiv",
    "version": 3
  }
}