Pith Number

pith:QCWJBQYP

pith:2014:QCWJBQYPK3MUZBZNDZZLHHJTSA

not attested not anchored not stored refs pending

A spectral unaveraged algorithm for free electron laser simulations

Igor A. Andriyash, Remi Lehe, Victor Malka

arxiv:1405.1972 v2 · 2014-05-08 · 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{QCWJBQYPK3MUZBZNDZZLHHJTSA}

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	2026-05-18T01:43:16.210497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ac90c30f56d94c872d1e72b39d339028c84ba604d5486729d79348da3a4a23

Aliases

arxiv: 1405.1972 · arxiv_version: 1405.1972v2 · doi: 10.48550/arxiv.1405.1972 · pith_short_12: QCWJBQYPK3MU · pith_short_16: QCWJBQYPK3MUZBZN · pith_short_8: QCWJBQYP

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/QCWJBQYPK3MUZBZNDZZLHHJTSA \
  | 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: 80ac90c30f56d94c872d1e72b39d339028c84ba604d5486729d79348da3a4a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "028276d446c110469f16137302cad5c8464a8b6f6456b95a1783aee375edda3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2014-05-08T15:34:18Z",
    "title_canon_sha256": "49e15aab8bca160a2da423b8bd83c91ab348bb53496e60f89b974e99f4096990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1972",
    "kind": "arxiv",
    "version": 2
  }
}