Pith Number

pith:HBJVUV2S

pith:2020:HBJVUV2SXMITF7W6YWKX3KYH3T

not attested not anchored not stored refs pending

A spectrally accurate method for the dielectric obstacle scattering problem and applications to the inverse problem

Fr\'ed\'erique Le Lou\"er, Thorsten Hohage

arxiv:2006.10830 v1 · 2020-06-18 · 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{HBJVUV2SXMITF7W6YWKX3KYH3T}

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	2026-07-05T01:11:25.723075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38535a5752bb1132fedec5957dab07dcd3a39e32883219ee38bb4ce67ad7ef17

Aliases

arxiv: 2006.10830 · arxiv_version: 2006.10830v1 · doi: 10.48550/arxiv.2006.10830 · pith_short_12: HBJVUV2SXMIT · pith_short_16: HBJVUV2SXMITF7W6 · pith_short_8: HBJVUV2S

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/HBJVUV2SXMITF7W6YWKX3KYH3T \
  | 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: 38535a5752bb1132fedec5957dab07dcd3a39e32883219ee38bb4ce67ad7ef17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d4a2ea44597819e74a36c93c83428cef5d0db3e8391eda448ac30325c38128",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-06-18T19:52:09Z",
    "title_canon_sha256": "7ca997927ff064009d93bdcfa085ea4b0c819eca5aac54ede3a33acc280f6b14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.10830",
    "kind": "arxiv",
    "version": 1
  }
}