Pith Number

pith:7QNGZRW2

pith:2014:7QNGZRW2NCE5Q5GN63CTRX6DKI

not attested not anchored not stored refs pending

Infinite dimension of solutions for Dirichlet problem II

Vladimir Ryazanov

arxiv:1402.2130 v5 · 2014-02-10 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QNGZRW2NCE5Q5GN63CTRX6DKI}

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	2026-05-18T02:46:14.743227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1a6cc6da6889d874cdf6c538dfc3521ce43907734bffc15c7a20ed0126fa1a

Aliases

arxiv: 1402.2130 · arxiv_version: 1402.2130v5 · doi: 10.48550/arxiv.1402.2130 · pith_short_12: 7QNGZRW2NCE5 · pith_short_16: 7QNGZRW2NCE5Q5GN · pith_short_8: 7QNGZRW2

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/7QNGZRW2NCE5Q5GN63CTRX6DKI \
  | 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: fc1a6cc6da6889d874cdf6c538dfc3521ce43907734bffc15c7a20ed0126fa1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da47e94596072281d856220208a4a6d7f7d65471f653f29e38e779ff59ea82c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-02-10T12:53:30Z",
    "title_canon_sha256": "ac8470ae2b1cc96c7ce5d64c85d2860f6d34dd0170b77c06fa393456f24df6bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2130",
    "kind": "arxiv",
    "version": 5
  }
}