Pith Number

pith:2RQ7HWBN

pith:2016:2RQ7HWBN5FJBPYZ2B3M4HLTPQQ

not attested not anchored not stored refs pending

A unified integral equation scheme for doubly-periodic Laplace and Stokes boundary value problems in two dimensions

Alex H. Barnett, Gary Marple, Lin Zhao, Shravan Veerapaneni

arxiv:1611.08038 v1 · 2016-11-24 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RQ7HWBN5FJBPYZ2B3M4HLTPQQ}

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	2026-05-18T00:56:44.601350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d461f3d82de95217e33a0ed9c3ae6f84093a111388ed65dd9c58158e30716793

Aliases

arxiv: 1611.08038 · arxiv_version: 1611.08038v1 · doi: 10.48550/arxiv.1611.08038 · pith_short_12: 2RQ7HWBN5FJB · pith_short_16: 2RQ7HWBN5FJBPYZ2 · pith_short_8: 2RQ7HWBN

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/2RQ7HWBN5FJBPYZ2B3M4HLTPQQ \
  | 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: d461f3d82de95217e33a0ed9c3ae6f84093a111388ed65dd9c58158e30716793

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e39e1bcdf512011a47aad26fdbfd671a8ee28b4cb94fd20016c1fb929eedcad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-24T00:10:00Z",
    "title_canon_sha256": "7c0da33b95e4c29f5298ff49f537c422f499652001c081d60b6ce53b222d33aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08038",
    "kind": "arxiv",
    "version": 1
  }
}