Pith Number

pith:2CQYJSCK

pith:2017:2CQYJSCKLXJ5TNR2NBKC57PGGM

not attested not anchored not stored refs pending

Software frameworks for integral equations in electromagnetic scattering based on Calder\'on identities

Elwin van 't Wout, Erik Burman, Matthew Scroggs, Timo Betcke, Wojciech \'Smigaj

arxiv:1703.10900 v1 · 2017-03-31 · math.NA · cs.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{2CQYJSCKLXJ5TNR2NBKC57PGGM}

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	2026-06-04T18:10:42.269931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a184c84a5dd3d9b63a68542efde63318b381e27dbc12c569be670cb271ee98

Aliases

arxiv: 1703.10900 · arxiv_version: 1703.10900v1 · doi: 10.48550/arxiv.1703.10900 · pith_short_12: 2CQYJSCKLXJ5 · pith_short_16: 2CQYJSCKLXJ5TNR2 · pith_short_8: 2CQYJSCK

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/2CQYJSCKLXJ5TNR2NBKC57PGGM \
  | 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: d0a184c84a5dd3d9b63a68542efde63318b381e27dbc12c569be670cb271ee98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20306a0b4bea48a58aab1276892613a60ef1ba84808f4c28f942a4077cc9ae95",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-31T14:03:31Z",
    "title_canon_sha256": "6fa849760c09e9b1619ecb07a94d19ee7d6629d72d3ba60cfd03a81fe4bad6b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10900",
    "kind": "arxiv",
    "version": 1
  }
}