Pith Number

pith:2VZSREUG

pith:2009:2VZSREUGI3P6RYNUTJNF2P7R7U

not attested not anchored not stored refs pending

Phonon dispersion and low energy anomaly in CaC$_6$

Alessandra Lanzara, C. Herold (LCSM), D. Petitgrand (LLB), Francesco Mauri (IMPMC), G. Loupias (IMPMC), Jeff Graf, Matteo Calandra (IMPMC), Matteo D'Astuto (IMPMC), Moritz Hoesch (ESRF), N. Bendiab (IMPMC), N. Emery (LCSM), P. Lagrange (LCSM), Shuyun Zhou

arxiv:0911.2239 v4 · 2009-11-11 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VZSREUGI3P6RYNUTJNF2P7R7U}

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	2026-05-18T03:23:56.881551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57328928646dfe8e1b49a5a5d3ff1fd10cbd31d24d2605c748f4d4caf85abf5

Aliases

arxiv: 0911.2239 · arxiv_version: 0911.2239v4 · doi: 10.48550/arxiv.0911.2239 · pith_short_12: 2VZSREUGI3P6 · pith_short_16: 2VZSREUGI3P6RYNU · pith_short_8: 2VZSREUG

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/2VZSREUGI3P6RYNUTJNF2P7R7U \
  | 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: d57328928646dfe8e1b49a5a5d3ff1fd10cbd31d24d2605c748f4d4caf85abf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db4995665a781db55831fcfcebe1990de42660c90ccaf75a5dc3dd6856a1184",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-11-11T21:06:27Z",
    "title_canon_sha256": "15dcc6491627ea5e022ced3cc298b7587613af632bf827794b1d6757b258ad67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2239",
    "kind": "arxiv",
    "version": 4
  }
}