Pith Number

pith:AFSIO3IX

pith:2014:AFSIO3IXGA5W7ETLIQO4OQXAD4

not attested not anchored not stored refs pending

Dual variational methods and nonvanishing for the nonlinear Helmholtz equation

Gilles Evequoz, Tobias Weth

arxiv:1402.3003 v2 · 2014-02-12 · 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{AFSIO3IXGA5W7ETLIQO4OQXAD4}

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	2026-05-18T01:28:39.513812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0164876d17303b6f926b441dc742e01f2bc09ac514508812f33848de06342d24

Aliases

arxiv: 1402.3003 · arxiv_version: 1402.3003v2 · doi: 10.48550/arxiv.1402.3003 · pith_short_12: AFSIO3IXGA5W · pith_short_16: AFSIO3IXGA5W7ETL · pith_short_8: AFSIO3IX

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/AFSIO3IXGA5W7ETLIQO4OQXAD4 \
  | 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: 0164876d17303b6f926b441dc742e01f2bc09ac514508812f33848de06342d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb8b99f6f7f863e9fd633ed433d316e1a4eacf8f9c813cf4bc1a4a6ec6682ee2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-02-12T22:58:21Z",
    "title_canon_sha256": "095a6823d43f08c3d7914d8253b097618bf579a22c6e79cabfc4ea52af2cee4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3003",
    "kind": "arxiv",
    "version": 2
  }
}