Pith Number

pith:K3WVAVMB

pith:2017:K3WVAVMBQMV7RMN4UVORY2XSQH

not attested not anchored not stored refs pending

Surface Impedance Determination via Numerical Resolution of the Inverse Helmholtz Problem

Carlo Scalo, Danish Patel, Prateek Gupta

arxiv:1708.00657 v1 · 2017-08-02 · physics.comp-ph · math.AP · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3WVAVMBQMV7RMN4UVORY2XSQH}

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	2026-05-18T00:38:45.101882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56ed505581832bf8b1bca55d1c6af281dc4e593679355d4e64261fb79d8e5d54

Aliases

arxiv: 1708.00657 · arxiv_version: 1708.00657v1 · doi: 10.48550/arxiv.1708.00657 · pith_short_12: K3WVAVMBQMV7 · pith_short_16: K3WVAVMBQMV7RMN4 · pith_short_8: K3WVAVMB

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/K3WVAVMBQMV7RMN4UVORY2XSQH \
  | 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: 56ed505581832bf8b1bca55d1c6af281dc4e593679355d4e64261fb79d8e5d54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "157e8e6d144de89bda292fc9c5305db73779870879d2eaaa536e93463c36efbf",
    "cross_cats_sorted": [
      "math.AP",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-08-02T09:07:04Z",
    "title_canon_sha256": "058aa0c92e14eaecd35c0858775abdd06d73397a2855b07981a4e79097601ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00657",
    "kind": "arxiv",
    "version": 1
  }
}