Pith Number

pith:UB45YTPO

pith:2017:UB45YTPOCV42IHBIT75LWELFJZ

not attested not anchored not stored refs pending

A finite element approach to dynamical diffraction problems

Ari-Pekka Honkanen, Claudio Ferrero, Jean-Pierre Guigay, Vito Mocella

arxiv:1709.06504 v2 · 2017-09-19 · physics.optics · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB45YTPOCV42IHBIT75LWELFJZ}

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	2026-05-18T00:27:30.102593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a079dc4dee1579a41c289ffabb11654e747687b1dcb479f07caa8a84d978036f

Aliases

arxiv: 1709.06504 · arxiv_version: 1709.06504v2 · doi: 10.48550/arxiv.1709.06504 · pith_short_12: UB45YTPOCV42 · pith_short_16: UB45YTPOCV42IHBI · pith_short_8: UB45YTPO

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/UB45YTPOCV42IHBIT75LWELFJZ \
  | 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: a079dc4dee1579a41c289ffabb11654e747687b1dcb479f07caa8a84d978036f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac72553c20b144246aedd4c9ecdf851f776e9b2e8b532e37ef0d465e09d8e06",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-09-19T16:18:57Z",
    "title_canon_sha256": "4321ebc272569c058b0a6074e4a8ca4f16bcb5bc5d7fd4ac3e3ce6972ebf47e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06504",
    "kind": "arxiv",
    "version": 2
  }
}