Pith Number

pith:2KX2PVSE

pith:2025:2KX2PVSE4TW3ZONTTUA4G5SGEZ

not attested not anchored not stored refs pending

Polarisation, Born Effective Charges, and Topological Invariants via a Berry-Phase Approach

Alaa Akkoush, Carlos Mera Acosta, Christian Carbogno, Mariana Rossi, Nikita Rybin, Sara Panahian Jand, Zhenkun Yuan

arxiv:2501.02550 v1 · 2025-01-05 · cond-mat.mtrl-sci · physics.chem-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{2KX2PVSE4TW3ZONTTUA4G5SGEZ}

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	2026-07-05T09:57:08.946298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2afa7d644e4edbcb9b39d01c37646264130562ef9aa3b7d54388c9b7fbb2041

Aliases

arxiv: 2501.02550 · arxiv_version: 2501.02550v1 · doi: 10.48550/arxiv.2501.02550 · pith_short_12: 2KX2PVSE4TW3 · pith_short_16: 2KX2PVSE4TW3ZONT · pith_short_8: 2KX2PVSE

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/2KX2PVSE4TW3ZONTTUA4G5SGEZ \
  | 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: d2afa7d644e4edbcb9b39d01c37646264130562ef9aa3b7d54388c9b7fbb2041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a928e20f8e8b0f8e3fb8181324dc3d365d6a1b21a11d77c8586d0ff977318f9",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-01-05T14:02:14Z",
    "title_canon_sha256": "339602e8c3c5fe42ca4b1680ce6a08a470fab508a416ff6eec79cfd6fdae05df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02550",
    "kind": "arxiv",
    "version": 1
  }
}