Pith Number

pith:4U54ACFZ

pith:2019:4U54ACFZK255VBQUTUZGSQXXDM

not attested not anchored not stored refs pending

Nodal solutions for nonlinear nonhomogeneous Robin problems

Du\v{s}an D. Repov\v{s}, Nikolaos S. Papageorgiou, Vicen\c{t}iu D. R\u{a}dulescu

arxiv:1901.01168 v1 · 2019-01-03 · 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{4U54ACFZK255VBQUTUZGSQXXDM}

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	2026-05-17T23:56:56.836263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53bc008b956bbda86149d326942f71b2b6f3fab2f0b92ee8c377d30661855fd

Aliases

arxiv: 1901.01168 · arxiv_version: 1901.01168v1 · doi: 10.48550/arxiv.1901.01168 · pith_short_12: 4U54ACFZK255 · pith_short_16: 4U54ACFZK255VBQU · pith_short_8: 4U54ACFZ

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/4U54ACFZK255VBQUTUZGSQXXDM \
  | 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: e53bc008b956bbda86149d326942f71b2b6f3fab2f0b92ee8c377d30661855fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f6e52bd9817cdecd6bf3eb69cfdf55eb2f1502070993aaab3817c773961b1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-03T09:47:47Z",
    "title_canon_sha256": "4f0a5e4a5eee1e759952a0e8ee7b7f29005149a43e5ba9d37a8c3abc8ae3ddad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01168",
    "kind": "arxiv",
    "version": 1
  }
}