Pith Number

pith:DGVJORFW

pith:2020:DGVJORFWB26VEH2AV4422Y2BI2

not attested not anchored not stored refs pending

Existence of solution for a class of indefinite variational problems with discontinuous nonlinearity

Claudianor O. Alves, Geovany F. Patricio

arxiv:2012.03641 v1 · 2020-12-07 · 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{DGVJORFWB26VEH2AV4422Y2BI2}

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.

Cited by

1 paper in Pith

Single Domain Generalization in Diabetic Retinopathy: A Neuro-Symbolic Learning Approach

Receipt and verification

First computed	2026-07-05T01:57:32.297915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19aa9744b60ebd521f40af39ad634146a7da39c66a54df913439479f3642cb59

Aliases

arxiv: 2012.03641 · arxiv_version: 2012.03641v1 · doi: 10.48550/arxiv.2012.03641 · pith_short_12: DGVJORFWB26V · pith_short_16: DGVJORFWB26VEH2A · pith_short_8: DGVJORFW

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/DGVJORFWB26VEH2AV4422Y2BI2 \
  | 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: 19aa9744b60ebd521f40af39ad634146a7da39c66a54df913439479f3642cb59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0822b79d5ae55c52c62c7ea27f6742829d67bf723f8571f0edf77b260860371a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-12-07T12:47:34Z",
    "title_canon_sha256": "cae03445ddef0a4e70bd1b5206739f3a02691a2eedfede069fcddf8237b785ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03641",
    "kind": "arxiv",
    "version": 1
  }
}