Pith Number

pith:F7Y3VKBU

pith:2024:F7Y3VKBUNXKDCHND2NNNDUGYQM

not attested not anchored not stored refs pending

First principles calculations of dynamical Born effective charges, quadrupoles and higher order terms from the charge response in large semiconducting and metallic systems

Francesco Macheda, Francesco Mauri, Paolo Barone

arxiv:2407.09188 v2 · 2024-07-12 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7Y3VKBUNXKDCHND2NNNDUGYQM}

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	2026-07-05T11:17:33.913071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff1baa8346dd4311da3d35ad1d0d88309bdcfa0dfb1e077d8c45775292687bf

Aliases

arxiv: 2407.09188 · arxiv_version: 2407.09188v2 · doi: 10.48550/arxiv.2407.09188 · pith_short_12: F7Y3VKBUNXKD · pith_short_16: F7Y3VKBUNXKDCHND · pith_short_8: F7Y3VKBU

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/F7Y3VKBUNXKDCHND2NNNDUGYQM \
  | 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: 2ff1baa8346dd4311da3d35ad1d0d88309bdcfa0dfb1e077d8c45775292687bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13b9868f70703f4373a3033de3282f96ccfbce2a55d0d43a49009135725809a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2024-07-12T11:40:48Z",
    "title_canon_sha256": "4ed42d100cfc88c140476dd8ed0f97846a397569eb4804dc2d291e8501359ee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.09188",
    "kind": "arxiv",
    "version": 2
  }
}