Pith Number

pith:EA4JIWGJ

pith:2017:EA4JIWGJH3JVFSVCZG6ROTCX7B

not attested not anchored not stored refs pending

Boundary Value Problems for harmonic functions on domains in Sierpinski gaskets

Hua Qiu, Shiping Cao

arxiv:1702.02419 v1 · 2017-02-08 · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EA4JIWGJH3JVFSVCZG6ROTCX7B}

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	2026-05-18T00:51:05.538969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20389458c93ed352caa2c9bd174c57f86aa562ff5a866fb4b29638baea61e690

Aliases

arxiv: 1702.02419 · arxiv_version: 1702.02419v1 · doi: 10.48550/arxiv.1702.02419 · pith_short_12: EA4JIWGJH3JV · pith_short_16: EA4JIWGJH3JVFSVC · pith_short_8: EA4JIWGJ

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/EA4JIWGJH3JVFSVCZG6ROTCX7B \
  | 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: 20389458c93ed352caa2c9bd174c57f86aa562ff5a866fb4b29638baea61e690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8000686ab47ce9096f4e40dc1b3910b84f13b54c3f8c0423e101b523e1d6ee94",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-02-08T13:41:29Z",
    "title_canon_sha256": "72ba621dcfbf4ac8f42ac5a930ab0cc835308f5606b500bef3916db6d347bd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02419",
    "kind": "arxiv",
    "version": 1
  }
}