Pith Number

pith:4ULBP3QW

pith:2021:4ULBP3QW2CW33H64CN6NFENLUW

not attested not anchored not stored refs pending

Nonlinear Differential Equations with Perturbed Dirichlet Integral Boundary Conditions

Alberto Cabada, Javier Iglesias

arxiv:2104.06949 v1 · 2021-04-14 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ULBP3QW2CW33H64CN6NFENLUW}

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	2026-07-05T02:32:11.330200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e51617ee16d0adbd9fdc137cd291aba5abf8b97e9a34be0f5239e0a17abf669a

Aliases

arxiv: 2104.06949 · arxiv_version: 2104.06949v1 · doi: 10.48550/arxiv.2104.06949 · pith_short_12: 4ULBP3QW2CW3 · pith_short_16: 4ULBP3QW2CW33H64 · pith_short_8: 4ULBP3QW

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/4ULBP3QW2CW33H64CN6NFENLUW \
  | 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: e51617ee16d0adbd9fdc137cd291aba5abf8b97e9a34be0f5239e0a17abf669a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a59b7c0a9349d62f38166716d451fb9d3ad81dcccc71cbaa4c6f0538ba205232",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2021-04-14T16:19:50Z",
    "title_canon_sha256": "babef1842825e27c6c4a8821e0d2fb479ca213e066a0ba7069ee216be4409995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06949",
    "kind": "arxiv",
    "version": 1
  }
}