Pith Number

pith:23VJQ4HP

pith:2025:23VJQ4HPJ7SHFB3ALYHZAVUEJ2

not attested not anchored not stored refs pending

The speed of sound and elastic properties of single crystals of inorganic and hybrid lead-free iodide perovskites obtained by femtosecond transient optical reflectivity

Alessandra Paladini, Daniele Catone, Faustino Martelli, Francesco Toschi, Giovanni Mannino, Giuseppe Ammirati, Jan Pospisil, Patrick O Keeffe, Salvatore Valastro, Stefano Turchini, Stevan Gavranovic

arxiv:2502.10082 v1 · 2025-02-14 · 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{23VJQ4HPJ7SHFB3ALYHZAVUEJ2}

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	2026-07-05T10:14:16.979103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ea9870ef4fe47287605e0f9056844e827dffc965a6ba45ce2226104747c231

Aliases

arxiv: 2502.10082 · arxiv_version: 2502.10082v1 · doi: 10.48550/arxiv.2502.10082 · pith_short_12: 23VJQ4HPJ7SH · pith_short_16: 23VJQ4HPJ7SHFB3A · pith_short_8: 23VJQ4HP

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/23VJQ4HPJ7SHFB3ALYHZAVUEJ2 \
  | 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: d6ea9870ef4fe47287605e0f9056844e827dffc965a6ba45ce2226104747c231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6660dab08e4a41dc210b977345587ad8c1e8916d151ea8622bd4f3cc79395cb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-02-14T11:06:06Z",
    "title_canon_sha256": "9f94ab900c15522a6de9060f48b15f64cb2758020cd898f67116619a3cfe614f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10082",
    "kind": "arxiv",
    "version": 1
  }
}