Pith Number

pith:37GMNTSO

pith:2017:37GMNTSODCWTYOANKI4JOWAKD6

not attested not anchored not stored refs pending

A hybrid numerical-asymptotic boundary element method for high frequency scattering by penetrable convex polygons

David P. Hewett, Samuel P. Groth, Stephen Langdon

arxiv:1704.07745 v4 · 2017-04-24 · 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{37GMNTSODCWTYOANKI4JOWAKD6}

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	2026-05-18T00:28:02.320614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfccc6ce4e18ad3c380d523897580a1fa0710d0e48e029903686365c9d4e6801

Aliases

arxiv: 1704.07745 · arxiv_version: 1704.07745v4 · doi: 10.48550/arxiv.1704.07745 · pith_short_12: 37GMNTSODCWT · pith_short_16: 37GMNTSODCWTYOAN · pith_short_8: 37GMNTSO

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/37GMNTSODCWTYOANKI4JOWAKD6 \
  | 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: dfccc6ce4e18ad3c380d523897580a1fa0710d0e48e029903686365c9d4e6801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c6045cc21b8328b17a0b6da882c5861c8864c087d96f445840070b19a7cf68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-24T15:18:49Z",
    "title_canon_sha256": "e6ec395f5c65e01d1831a0a03bda6ffb2745634884a1e84c08fcfb180415f343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07745",
    "kind": "arxiv",
    "version": 4
  }
}