Pith Number

pith:NHQPCVC4

pith:2020:NHQPCVC44PEDLPRAEF5RSJS653

not attested not anchored not stored refs pending

Nonlinear Light Absorption in Many-Electron Systems Excited by an Instantaneous Electric Field: A Non-Perturbative Approach

Alberto Guandalini, Alice Ruini, Carlo Andrea Rozzi, Caterina Cocchi, Stefano Pittalis

arxiv:2004.06973 v2 · 2020-04-15 · physics.chem-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHQPCVC44PEDLPRAEF5RSJS653}

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	2026-07-05T02:33:04.815921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e0f1545ce3c835be20217b19265eeeeb989999ac042304a565bb76ece01082

Aliases

arxiv: 2004.06973 · arxiv_version: 2004.06973v2 · doi: 10.48550/arxiv.2004.06973 · pith_short_12: NHQPCVC44PED · pith_short_16: NHQPCVC44PEDLPRA · pith_short_8: NHQPCVC4

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/NHQPCVC44PEDLPRAEF5RSJS653 \
  | 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: 69e0f1545ce3c835be20217b19265eeeeb989999ac042304a565bb76ece01082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c55bb597514fc374dea6d7a711cf753558f6f56148d94d7178afbe3867dfb7f0",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2020-04-15T09:43:16Z",
    "title_canon_sha256": "40a51db9a021421535ccada644312f632b85b9b66eb46a826c323b307917a115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06973",
    "kind": "arxiv",
    "version": 2
  }
}