Pith Number

pith:TWE2E3WE

pith:2013:TWE2E3WEKIEOMT74O645G6CXFZ

not attested not anchored not stored refs pending

A higher-order singularity subtraction technique for the discretization of singular integral operators on curved surfaces

Johan Helsing

arxiv:1301.7276 v1 · 2013-01-30 · 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{TWE2E3WEKIEOMT74O645G6CXFZ}

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	2026-05-18T03:35:00.739992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d89a26ec45208e64ffc77b9d378572e5ad7bee13a3c3155041e37022c5c34e5

Aliases

arxiv: 1301.7276 · arxiv_version: 1301.7276v1 · doi: 10.48550/arxiv.1301.7276 · pith_short_12: TWE2E3WEKIEO · pith_short_16: TWE2E3WEKIEOMT74 · pith_short_8: TWE2E3WE

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/TWE2E3WEKIEOMT74O645G6CXFZ \
  | 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: 9d89a26ec45208e64ffc77b9d378572e5ad7bee13a3c3155041e37022c5c34e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213e79345156502dec521af4166f2a393c08d5bb1ae98aa53c188dc14c069968",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-30T16:32:02Z",
    "title_canon_sha256": "06ad16fcc37e8ff92f69fe209498bb901b2984f5a2f3cd4e824804f285e1b749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7276",
    "kind": "arxiv",
    "version": 1
  }
}