Pith Number

pith:L4P63DEF

pith:2009:L4P63DEFRTX34XOKJHTP5GCIIX

not attested not anchored not stored refs pending

Polar phonons and spin excitations coupling in multiferroic BiFeO3 crystals

A. Sacuto, D. Colson, D. Lebeugle, M. Cazayous, P. Rovillain, R.P.S.M. Lobo, Y. Gallais

arxiv:0905.1891 v1 · 2009-05-12 · cond-mat.str-el · 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{L4P63DEFRTX34XOKJHTP5GCIIX}

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	2026-05-18T04:39:39.287660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1fed8c858cefbe5dca49e6fe984845d945bfce81385ed45d3fbd487fbf01b0

Aliases

arxiv: 0905.1891 · arxiv_version: 0905.1891v1 · doi: 10.48550/arxiv.0905.1891 · pith_short_12: L4P63DEFRTX3 · pith_short_16: L4P63DEFRTX34XOK · pith_short_8: L4P63DEF

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/L4P63DEFRTX34XOKJHTP5GCIIX \
  | 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: 5f1fed8c858cefbe5dca49e6fe984845d945bfce81385ed45d3fbd487fbf01b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b129ebf827dddadc1afdfaa0fd2fcc66f55c5383c285083bfd1e1236d2279da",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-05-12T15:58:37Z",
    "title_canon_sha256": "fb4afb7a9d80a975d896e1c29460b93afbd9beb44071c53f39f217f16c58cf98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1891",
    "kind": "arxiv",
    "version": 1
  }
}